Rca bass knob with voltmeter

SHOP. LED Limitless Slam Panda Bass Knob Clear Acrylic with Volt Meter. Amperemeter . With Voltmeter is $130. Compare. We can't find products matching the selection. 5 ½ MFC meter as a fixed voltage supplier and will see the reading on the UUC (Unit Under Calibration – voltmeter) 3. Mount in or under the dash. Depending on your budget. Sky High Car Audio OFC 1/0 Gauge - By the foot. 11:16. 9V)Blue LED Bass Knob (included) Factory Radio INPUT 5 Orange - Control Wire INPUT 6 An SPDT relay, Metra part number E-123, must be used if more than one amplifier will be installed RCA Jacks (sold separately) Assignable Inputs Labeled CH 6-10 AXDSP-X (included) Wire information on page 17 (RCA Jacks shown cut off) RCA Model WV-97A Senior VoltOhmyst Meter (1953) This RCA model WV-97A is a typical 1950s service-grade meter for measuring resistance and AC/DC voltage. 25 width. Bass knob for at 2500. * Red/White/Blue leads have The bass knobs are clear plexiglass with LED's matching rca leads color, integrated voltmeter and different colored rca leads. and i turn the bass knob down to about 50% my bass knob is at 75%, and i never adjust. It is real critical & at the same time; it is necessary to monitor the volts of your vehicle to prevent damage to all audio equipment of your RCA Quick View. The rocker switch option also includes a 3. I would recommend an rca level control knob. RCA Line level control with volt-meter and remote Amp trigger. Specifications Features: RCA line level control with volt-meter and 1 Sep 2020 (1 review) Write a Review. We now offer a selection of completely custom shtnonm bass knobs to fulfill your wettest of dreams!! These bad boys are fully laser etched and are made with premium grade materials in the cord, the body and the connections. 9v) Digital Temperature indicator (C'\F') Clipping indicator light. The RCA Lead length is 1' and bass knob is 3. $5 Pre-Made Designs. Batteries; Full Tilt Audio Titan 3 Foot 2-Channel Car Audio RCA Interconnect Cable. 4 10" SS DA box, tuned to 36hz! (for sale) Ca. 1d. We offer the leading industry brands of car and marine audio & accessories! RMS Power @ 4 ohm: 2200W RMS Power @ 2 ohm: 3500W RMS Power @ 1 ohm: 5000W RMS Power @ 0. Digital volt-meter (10V - 15. 10% off now through our ebay store! DS18 BKVR Universal Wired Bass Knob Remote Controller for Car Amplifier Level with Digital Volt-Meter via RCA Line Input/Output: Amazon. 9V) Blue LED Display (High Voltage/ Low Voltage/  The linear potentiometer is upgraded to make sure that your bass knobs have a smooth transition when turning the volume up or down. Can adjust the amplifier gain while driving. Jan 15, 2021 · on the rare day i listen to rap, bone thugs will thump the subs. Select Knob LED Color: *. Service grade means that it's accurate enough for everyday radio/TV repair work but not suited to a laboratory. 75 length x 1. Universal Car Audio Amplifier AMP Bass RCA Level Remote Volume Control Knob USA. 99 $8. These bass knobs are durable and essential to a smooth transition when turning the volume up or down. Please choose an RCA In / Out Bass knob with voltage display. Reading an touching an LCD 3 levels deep isn't something I like to do while I'm driving. . Pac lc1 is a very common one and very affordable. Thats why it is real critical & necessary to monitor your car audio amplifier voltage t MT Audio Universal Bass Knob w/ Digital Volt Meter. Amplifiers; Turbostart . Though virtually everyone is aware of this, only a few take time to think what tool could have made these A multimeter is one such device that we need most often to find the values of current and voltages at different points. Shaft Pots - Brass Knurled Volume and Audio Switch Knob Replacement for Electric Guitar or&nbs DS18 BKVR Universal Wired Bass Knob Remote Controller for Car Amplifier Level with Digital Volt-Meter via RCA Line Input/Output: Amazon. Bass knob with Voltmeter for AAK series of amplifiers ONLY! Digital voltmeter ( 10v-15. Rotary push turn ON/OFF Knob for Amplifier Remote. 1. To reset, put everything back on "Pick One". CT Sounds Universal Bass Knob with Digital Voltmeter . There's words embossed into both designs but the ones on the voltmeter side are too small to come out when slicing so they just end up as little dots. Potentiometer: 10kΩ Audio Taper; RCA Outputs: Marked by Purple Washers; VOLTMETER RANGE: 0 – 30vdc; VOLTMETER REFRESH: 3-4hZ; Voltmeter resolution: . prv audio snake 10rca-50 50 ft "all-in-on e" ofc 10 channels rca cables + 3 power. Such as tubes,tube sockets,capacitors,resistors,tag board,meter,pot,knob,feet,chassis and so on to get you started. Lead length is 1' and bass knob is 3. 95. Product information. com Feedback And the RCA one messes with the preamp voltage? If my statement is correct then i wouldn't wanna use the one that comes with the amp, i would wanna set the gain with a DD1 with the RCA knob to max then use that? Manual says Remote Gain input _ Connects remote gain control to control the bass level. , Ltd. Full Tilt Audio Rca Remote Wire Speaker Wire Amp Kits View All Universal Bass Knob with Voltmeter And Remote On. Made from high quality materials and m Sgc200 Car Audio Subwoofer Bass Rca Level Knob Control Volume Bass Plate , Find Complete Details about Sgc200 Car Audio Subwoofer Bass Rca Level Knob Control Volume Bass Plate,Car Audio Subwoofer,Rca Bass Knob,Subwoofer Car Audio from Subwoofers Supplier or Manufacturer-Shenzhen Eshinede Technology Co. They are so satisfied with our products and order from us all the Dec 08, 2011 · It boosts bass in general (even to my insides, which I don't want to be bassy as hell). Slam Panda Solid Red RGB Bass Knob w/ Voltmeter+Full Tilt Laser Etching The default images show a knob with a voltmeter and RPCM. For example, if you listen to a wide variety of music, you may want more bass when listening to Rap or Hip Hop and less bass when listening to Country or Heavy Metal. 5 out of 5 stars. 12" Premium RCA leads included, custom lengths available upon request. u will either end up killing ur amps from the gain to high or blow ur subs from clipping if it is broken im warning u now to not worry about it and leave it and set ur gains with a DMM and only control ur bass from ur head unit. Buy DS18 BK VR Bkvr Remote Amplifier Level Controller with LED Volt-Meter Bass Knob at Walmart. Bass knob with Voltmeter for AAK series of amplifiers ONLY! Digital voltmeter (10v-15. They are:1) PAC-LC12) DS18 BKVR3) Slam Panda custom leve Down4sound subwoofer bass knob Home Universal Car Audio Bass Knob with Digital Voltmeter There is nothing worse in the audio world of the train than the magic blue smoke caused by the voltan drop. 3 Nov 2020 RGB LED Limitless Slam Panda Bass Knob Red Acrylic with Volt Meter, SELECT FULL RANGE CLASS AB 2 1 to 3 RCA Distribution block, DS18 FRX1K FULL RANGE CLASS-D MONOBLOCK AMPLIFIER 1000W RMS,  Screws included. 9v) Digital Temperature indicator (C'\F') Clipping indicator light Protection light Power light Cable included Works with Deaf Bonce AAK series Acrylic bass knobs made by Slam Panda Systems in a variety of designs, colors, w/wo voltmeter, and w/wo our very own RPCM (Remote Power and Clipping Monitor) Please read all notes before purchase! VS an SMD DD1? works great  Combining those three issues, CT Sounds represents the solution with its Universal Bass Knob with Digital Voltmeter (Pushable ON/OFF for Amp). Works really great and was cheap to make. 19 4 product ratings - DS18 BKVR UNIVERSAL RCA LINE WIRED BASS KNOB REMOTE WITH VOLTMETER AND The best way to prevent any damage to your car audio equipment, add bass and monitor the car amplifier voltage is with the DS18 BKVR remote level control with volt meter. Knob Operation: 1. RCA Line Level Control, Built-In Volt Meter, On/Off Amp Switch, Multiple Mounting Options. RCA Model 151-2 . Shop over 30+ brands at 12 Volt & Beyond. Rotary push turn ON/OFF knob for amplifier remote. But keep in mind you will need a short rca cable to go from your hu to the knob. We provide one such analog multimeter where students can choose the required meter from several ranges of values using a selection knob. • Includes bass knob, cable, mounting clip, mounting screws. Install Tools; Machined Parts; Sparked Innovations . Here we will keep the Source meter i. I used the common equation used when tuning an amp gain with a multimeter, my amp states 500w RMS and so does my sub. DS18 BKVR Volume Knob Control Features: RCA Line level control with volt- meter and remote Amp trigger. This is one if not the BEST UNIVERSAL BASS KNOB / REMOTE with RCA's on the market. 9V) Bass Knobs! Free Shipping! Low Prices! Car Audio! 0. It’s also good to note that the Bass knob on the LC2i is for setting the output gain (level) of the Bass output. Different meters provided are – 1. Uses a 2" 2AP1 for display. 2% KNOB --- bass knob; treble knob; volume knob. LowzFabz Enclosures. DIY Bass Knob - First off, I love this site!!! Hopefully I am in the right place with this post, i am a noob Well, i got a used amp that has a remote bass plug, I figured instead of spending $30 for a bulky knob, i wanted to put one in the dash, so using parts i probably already have around her Set the AccuBASS Level knob at the 12 O’clock position; Start playing music that is familiar and/or has a lot of bass; Slowly turn the volume up on the head unit until the bass starts to drop out (roll off) At this point, slowly start to turn the AccuBASS Threshold to the right (clockwise) until bass begins to restore itself. No skimping here! *We offer 2 different options for lengths: -Standard length - 1 foot leads To the people who are dealing with audio Thanks for visiting Mableaudio! We stock all kinds of amp parts you want. Can Adjust the amplifier Gain  Limitless Lithium SLAM PANDA Bass Knob Full acrylic Case with laser engraved Logo LED lit with Volt meter . Connect the wire with the help of crocodile pin to Voltmeter one end and other to the 5 ½ MFC meter as shown in the above Setup picture. More. 99 Car Amplifier Sub Universal Bass Control Remote RCA Line Level $22. Easily fits in dash panels. This allows you to print without supports. 5 ohm: 3600W (Brust) Frequency Response: 13-300Hz Signal To Noise Ratio: More than 80dB Efficiency @ 4ohm: 95% Damping Factor: 400 Total Harmonic Distortion (THD): Less Than 0. Rotate the selector switch, which is the large knob in the center of the multimeter, to the symbol which looks like a capital “V” with a straight line over it. This is the direct current (DC) voltage setting of your multimeter. Belva BARLC Flush Mount RCA Remote Level Control Bass Knob. Custom Enclosures. Buy the universal bass knob online. MADE WITH THE BEST INTERNAL PARTS AND RCA'S on the market. Then a cable from your knob to your amp. Cable included. CCA - Basic 2-Channel RCA Cable (17 Feet) AT Series Stock Bass Knob with Digital Voltmeter (Pushable ON/OFF for Amp) J. Amplifier AMP Bass RCA Level Remote Volume Control Knob USA Universal Car Audio, -Perfect for Balancing the System to Change Music Styles, -Quantity:1 set, -Mount in or under the dash,Interface:2 RCA Output, 2 RCA Input, -Can Adjust the Amplifier Gain While Driving. T. RMS Power @ 4 ohm: 950W RMS Power @ 2 ohm: 1500W RMS Power @ 1 ohm: 2000W RMS Power @ 0. SPL LAB SMART VOLTAGE METER. On the LC2i, the Threshold knob (screw) is located on the side of the unit between the Main and Bass RCA output connectors. * Red/White/Blue leads have a Blue LED. Free returns. We now offer a selection of completely custom shtnonm bass knobs to fulfill your wettest of dreams!! These bad boys are fully laser etched and You can add a volt meter and led option to your knob for just $30! Or $15 each. We have been doing business with famous companies in USA,Japan,Germany,Australia,Italy and Netherland. youll start to notice bass coming from your Kicker Hideaway at this point. 9V) Blue LED display (High Voltage / Low Voltage) Product Description. RCA In/ Out Bass knob with voltage display. 50, by 1938 the cost was 39. Replacement bass knobs for LPv2, RP, SK-M, SKv1, and SKv2 series amplifiers. com: CT Sounds Universal Bass Knob - Digital Voltmeter, Blue LED Display, Remote Gain Control, Power Switch, Durable, Pushable ON/Off for Amp: Electronics. This is one if not the BEST UNIVERSAL BASS KNOB / REMOTE with RCA's on the market Specifications:4 gold plated RCA ports. BKVR. I typically dont upload my designs but this was simple and easy to design, so here it is. Volt meter and led can be turned off with switch 1 foot Premium RCA cables And YES, The. A knob is easy and can be done without taking my eyes off of the road. To use the preferred method of setting the input gain using a voltmeter or oscilloscope, begin by turning off the amplifi er and disconnecting all speakers from it. Lead length Activated your volt meter / bass knob and lost half the volume power of my subs . 99 DS18 BK VR BKVR Universal Wired Bass Knob Remote Controller for Car Amplifier Level with Digital Volt-Meter via RCA Line Input/Output 4 out of 5 stars 32 CDN$ 68. e. $105. Full Down4Sound's Universal Car Audio Bass Knob is now available. Using a linear potentiometer, the Low Hertz Bass Knob makes half turn an PAC LC1 Universal Bass Knob LC-1 + NVX 2-Channel RCA Audio Interconnect Cable • Universal Remote Level Control with Female RCA Audio Interconnect • Dash Mounted Amplifier Level Control for Volume Adjustment • Perfect For Balancing the System to Change Music Styles • Adjust Amplifier Gain While Driving Specifications on Packaging RCA Line Level Control with Volt meter and Remote Amp Trigger Can Adjust the Amplifier Gain and Turn on/Off the Amp In-Dash or Under-Dash Mountable Rotary Push Turn On/Off knob for Amplifier Remote Digital Volt Meter (10V ~ 15. OVERALL. Bit confusing to me. 6 volts across the RCA outputs. • RCA Remote Level Control Bass Knob • Flush Mount Design • Connection Type: RCA. Power/Ground Cable; Taramps . In-Dash or Under-Dash Mountable. * Red/White/Blue leads have& Down4Sound's SPL BASS KNOB with Voltage Meter, Universal, works with all Amplifiers, Ships FAST and FREE! Volt Meter (Sundown) Green. 99 CDN$ 68. Hand made to order, please allow 2 week lead time. AC voltmeter . + DS18 BKVR UNIVERSAL RCA LINE WIRED BASS KNOB REMOTE WITH VOLTMETER AND REMOTE ON. mx: Electrónicos. Hand made to order, please allow 2 You May Also Like Previous. Power Switch: Long press for 3s to power on; short press to switch between Bluetooth/RCA input. Home. RCA line level control with volt-meter and remote amp trigger can adjust the amplifier gain & turn on/off the amp. APPLICATION --- can be applied to iPad, cellphone, MP3 player, CD player, computer, decoder, etc. Included Bass knob for easy on the fly bass adjustments. 212 Ratings. Can Adjust the amplifier Gain and Turn On / Off the Amp. These bass knobs are durable and essential to a smooth transition when turning the volume up or down. This circuit is universal for any kind of passive volume control application, where you want to manipulate with input signal. Dec 27, 2018 · DS18 BKVR Bass Knob Controll Features. 5mm to RCA extension port to extend a radios AUX input to your dash. Includes voltmeter and your choice of LED color. Stable from 11-16v so it can accommodate all kinds of charging systems. 2% Amazon. The bass knobs are colored plexiglass with LED's, integrated voltmeter and different colored rca leads. 3. There is nothing worse in car audio world than the magic blue smoke caused by voltage drop. 1 monoblock amps that your bass knob pretty much took away my power and now I can't remove it because it will leave 2 scre With so many choices out there, we know how hard it can be to pin down the best universal bass knob with clipping 3, DS18 BKVR Remote Level Control - RCA Line Level Control, Built-in Volt Meter, On/Off Amp Switch, Multiple Mounting&nb Buy DS18 BKVR Universal Wired Bass Knob Remote Controller for Car Amplifier Level with Digital Volt-Meter via RCA Line Input/Output at Wish - Shopping Made Fun. Add to Wish list · LED Sundown Slam&nb CT Sounds Universal Bass Knob With Digital Volt Meter. Protection light. RCA Line Level Control with Volt meter and Remote Amp TriggerCan Adjust the Amplifier Gain and Turn on/Off the AmpIn- Dash or  DS18 BK VR BKVR Universal Wired Bass Knob Remote Controller for Car Amplifier Level with Digital Volt-Meter via RCA Line Input/Output: Cell Phones & Accessories. Selecting your knob: Select the options that matter to you most, because once an option is chosen the remaining options will dwindle down only to what is available. External bass controls (EBC), or remote bass controls (RBC), are a convenient and easy to install accessory that allows you to tune the bass in your music song by song. 2. Otherwise SPL Cartel makes some very nice ones. Specifications Features: RCA line level control with volt-meter and remote amp trigger can adjust the amplifier gain & turn on/off the amp In-das In this video I will be comparing several bass knobs/ level control units that I have recently used. 9V) Blue LED Display (High Voltage/Low Voltage) Compatible with Most HUD United and Amplifier Combinations Dimension (W x D x H): 82mm x 75mm x 27mm Car Audio Amplifier Bass RCA Level Remote Volume Control Knob LC-1 Universal. A micro screwdriver will be needed in order to adjust it. Bass Knobs; STCA . Custom Engraved LED Bass Knob. These prices included tubes, see ad here. I then connected the RCAs to the amp and disconnected the sub wiring from the amp, plugging in my voltmeter leads instead. Flat-rate USPS Shipping costs apply. Simple in and out connections, no additional wiring needed. Digital Volt-Meter (10V - 15. Old test instruments like this are easy to find and usually inexpensive. 99 ds18 bkvr universal rca line wired bass knob remote with voltmeter and The voltmeter should be checked for correct connectors (binding posts) on the front or rear o p e r a t io n after a n y ma i n t e n a n c e i s p e r f o r me d . $169. 4 LED Voltmeter and switch $ 10 10 12 15 Bar Grill Matte Black $ 20 Energie SC1000 AGM Battery $ 100 Energie SC1600 AGM Battery $ 160 Energie SC4800 AGM Battery $ 270 Scosche 80-Watt RCA Line out convertor $ 20 Scosche RCA LOC w bass knob $ 30 0 to 4 Gauge Reducers $ 20 pair 0 Gauge CCA $ 2/ft, ring terminal $ 2 My voltmeter on AC read only 3. i mostly listen to music from my iphone. DS18 BKVR Universal Wired Bass Knob Remote Controller for Car Amplifier Level with Digital Volt-Meter via RCA Line Input/Output 39. Digital Voltmeter (10V~15. Back, and front plate for the bass knob were removed to print separately opposed to being 1 complete piece. Bass Knob: Clockwise to turn up the bass, anti-clockwise to turn down the bass. 25 Height x 1. Power light. Waterproofing allows it to be used on motorcycles or boats to monitor battery voltage. Rotary Pushable ON/ OFF & Gain Control Knob for Amp . Turn the gain knob completely off (counterclockwise) and all crossovers off, or to their least effective setting. It also features an easy to read blue LED volt meter so you can always keep an eye on your amp's performance. Bass Knob w/ Voltage Display. Single Color LED & Voltmeter integrated into the bass knob. TARAMPS Bass 400 Amplifier BASS400. This scope was introduced around 1936 at cost of $47. Dash mount amplifier level control for volume adjustment. 5 ohm: 9200W (Brust) Frequency Response: 13-300Hz Signal To Noise Ratio: More than 96dB Efficiency @ 4ohm: 96% Damping Factor: 400 Total Harmonic Distortion (THD): Less Than 0. Suppose we have a Voltmeter with Feb 08, 2021 · Put your digital multimeter on the direct current voltage setting. (except for tha bone thugs) my head unit settings are pretty much dead center at trebble, mid, and bass. Audiopipe is a global manufacturer and distributor of 12-volt electronics, pro- audio equipment, marine audio equipment, and electronic audio/video accessories. $15. Just let us know which length. Buy DS18 BKVR Universal Car Amplifier Remote Level Control Bass Knob w/Volt-Meter at Amazon UK. Custom Enclosure Designs. I like the idea of a knob for quick, non-distracting bass adjustments. 00 Key Features Hooligan Monoblock 8000W Amplifier w/ Voltmeter and Clip Indicator Tiffany-style rca jacks for a clean prestigious look. 00 with epoxy. 0mx3 Diamond 10" D9 Subwoofer (for sale) NINe. The bass knobs are clear plexiglass with LED's matching rca leads color, integrated voltmeter and different colored rca leads. Volume Control Knob USA Universal Car Audio Down4Sound's Universal Car Audio Bass Knob with voltmeter Red. bass knob's rca distribution boxes rca's rca's all rca's premium premium spl cartel single hand held bass knob with voltmeter and 2' pro leads. The best way to prevent any damage to your car audio equipment, add bass and monitor the car amplifier voltage is with the DS18 BKVR remote level control with volt meter. In-dash or under-dash mountable. CT Sounds Universal Bass Knob - Digital Voltmeter, Blue LED Display, Remote Gain Co Travel Case Packed, Wireless Mini Bluetooth Speaker with&nb. 95 I made a RCA bass knob that I can put in my dash. Wasn May 13, 2011 · to be honest bro u shouldnt use a bass nobthere not a volume knob for the bass they are a gain adjuster. Brand New. This patent-pending technology offers remote gain control, a rotary pushable on-off switch and a digital volt meter display. Combining those three issues, CT Sounds represents the solution with its Universal Bass Knob with Digital Voltmeter (Pushable ON/OFF for Amp). Volt meter and led can be turned off with switch 1 foot Premium RCA cables. I four 18's on SKv2- 4500. DC voltmeter . Subwoofers. 00 or $150. RCA Model 151 Uses a 1" 913 CRT for display. 20 shipping Cheap Multichannel Amplifiers, Buy Quality Automobiles & Motorcycles Directly from China Suppliers:2019 New New Car Audio Amplifier Bass RCA Level Remote Volume Control Knob LC 1 Universal Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. 13 DS18 BKVR UNIVERSAL RCA LINE WIRED BASS KNOB REMOTE WITH VOLTMETER AND REMOTE ON. 4. make sure your phone eq is set to flat. Several colors to choose from. Built in Volt meter, clip light, and over load protection circuitry. It does not have anything to do with the AccuBASS RCA Jacks (sold separately) Blue/White - Amp Turn-On Wire Bass Knob (included) Factory Radio These outputs can be used for additional sub amps, or for adding onto the system at a later date INPUT 5 Orange - Control Wire INPUT 6 AX-DSP-X & Enclosure (included) Wire information on page 17 (RCA Jacks shown cut off) DUAL 12-volt DC voltmeters LED Universal for any 12-volt project. 155. 00 Installing a separate voltmeter, separate power switch and a separate bass knob can prevent all those which can be of great hassle. Search for: Physicians Resources; User Login; Home; About CDC. Similar in size to a cigarette lighter. Not all gain knobs will work with it. The Rotating Subwoofer is made from STRONG ABS PLASTIC. Free delivery and returns on eligible orders. $86. An inline audio signal level control featuring a variety of mounting options including panel mount with large and small knob configurations, under dash mounting and rocker switch style mounting. com. 31. Turn the bass boost knob completely off (counterclockwise). $49. DIY Passive Car Woofer/Bass Control PART 1: Hello!In this Instructable I will take you through few simple steps, how to make a volume knob. 99 + CDN$ 13. 5. Great bass knob works good and good quality The best way to prevent any damage to your car audio equipment, add bass and monitor the car amplifier voltage is with the DS18 BKVR remote level control with volt meter. 01v Save rca bass knob volt meter to get e-mail alerts and updates on your eBay Feed. RCA Line Level Control with Volt meter and Remote Amp TriggerCan Adjust the Amplifier Gain and Turn on/Off the AmpIn-Dash or Under-Dash MountableRotary Push Turn On/Off knob for Amplifier RemoteDigital Volt Meter (10V ~ 15. Perfect for balancing the system to change music styles. Services; Your Patient Care Team; Affiliations Feb 23, 2005 · Clarion VRX935VD head unit Diamond HEX S400A * S6. au: Electronics. Monitor your car audio amplifier voltage to prevent damage with CT's Universal Bass Control Knob. After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. WIRELESS BASS KNOB Built In Digital Volt Meter; Long Range Distance (20 feet, line of sight); Low Distortion; Auto Sync; Low “user” input to 1 In 4 Out RCA Distribution block- GREEN Custom, upgraded features ALL made LOCAL . C $8. If a Hand-made tables, stools cupboards and other furniture have surfaces that are smooth. And yes – you can still get 50% off up to two shielded NEP RCA cables with the purchase of a Bass Knob. Select the Universal Dual Level Volume Gain Control Knob Car Amplifier Bass RCA Knob. Feet Was With Bass Knob 1 ½ $15. Make sure to select your color last as there is no way to unselect a color. Limitless Lithium SLAM PANDA Bass Knob Full acrylic Case with laser engraved Logo LED lit with Volt meter .