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Memphis Audio SMC2A Hidden Car/Marine Bluetooth Receiver + Karaoke Speaker W/Mic

$579.94 $299.95
(You save $279.99)
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Items included in this bundle

Package Includes:
  • (1) Memphis Audio SMC2A Hidden Marine Bluetooth Receiver Source Unit RZR/ATV/UTV
  • (1) Rockville RPB-KAR Portable Bluetooth Speaker + Karaoke Microphone + Party LED's


The SMC2A “Headless” unit is an innovative way to control your audio system. The unit features a hideaway box that uses your Bluetooth device and a proprietary Memphis app to control your audio system. The app allows you to control EQ settings, set up your AM/FM presets, control RGB LED’s and more. This unit is perfect for powersports and marine applications that don’t have provisions for a head unit, the wired remote fits into a standard knockout slot for a clean installation. This solution also works well with classic cars by maintaining the factory look of the vehicle while adding an impressive array of audio features to the sound system. With the headless unit, you can do everything a standard head unit does without the need for a physical mounting location, simply control your music from your Bluetooth device or the included 4-button rotary knob remote control.

App Controls:

  • RGB setting
  • Custom EQ settings
  • Balance/Fade
  • AM/FM Presets Controls
  • Radio search settings
  • Manual/Seek/Presets


  • 5 Source Options: AUX/BT/AM/FM/WB
  • USB charging
  • 50Wx4 built-in amplifier
  • RGB LED control output
  • Front/Rear/Subwoofer RCA output
  • 2.5 Volt pre-amp output
  • Conformal coated PCB IP66 Rated

4 Buttons With Rotary Knob:

  • Wired remote (IP66 rated)
  • Illuminated remote, color change to indicate source
  • Fits in standard rocker switch cutout

Video of RPB-KAR:

How to Set up Your RPB-KAR:

What’s in the Box:

  • Bluetooth speaker
  • Microphone
  • USB charging cable
  • Carry strap (included but optional to use it)
  • 3.5MM to 3.5MM aux cable
  • Owner manual


The RPB-KAR is our extra-large portable speaker with a built in mic input for Karaoke. The built in handles and included strap make it very convenient to travel with this speaker.

The RPB-KAR has incredible sound quality. It has a 20 Watt RMS amplifier built in and it goes surprisingly loud while maintaining a balanced sound with very defined and punchy bass.

The RPB-KAR comes with a microphone that has good sound and performance. We also added a slight amount of echo onto the mic input (The echo is NOT adjustable).  The speaker also has built in LED lights that go to the beat of the music. You can turn off the LED lights by holding the M button down which will make the battery last even longer.

USB with Powerbank!
The USB input has 2 functions. You can play music stored on a thumb drive or you can use your phone charging cable to charge your phone through the USB!

Big Battery!
The RPB-KAR uses a 7.4v/3000mAh Lithium-ion battery which supports up to 24 hours of playback at 20% volume, 12 hours of playback at 40% volume, and 4.5 hours of Playback at max volume. We also added 5 LED’s that tell you how much battery life you have left. We made sure to add this because it’s a buzzkill when you want to party and unexpectedly have less battery life then you had planned for.

Carry strap
We include a carry strap that is super useful for many situations. The strap is easy to attach or detach so when you are just listening to music in your bedroom you do not need to use it. But we included it because we thought it would be cool for school teachers who want to wear the speaker while talking into the microphone. It is also cool for karaoke because you can wear a loud LED speaker while you are singing. It is fun and useful for many applications so we included it.

Weather Resistant
This speaker is weather resistant and contains a rubber cover over the input terminals which protects the unit from rain and dust


  • Rockville RPB-KAR Loud Portable Bluetooth Speaker with Microphone!
  • Larger size speaker for deep bass frequencies and very loud overall volume
  • Built in LEDs go to the beat of the music (turn off LEDs by holding the “M” button)
  • Built in USB power bank to charge your phone or tablet
  • RMS Power: 20w
  • Uses high quality drivers and 2 passive radiator subwoofers to give amazing frequency range and sound quality
  • Uses DSP tuning along with top of the line drivers to achieve a very balanced sound
  • Bluetooth 5.0 streams Bluetooth with high fidelity and is efficient on the battery life
  • Built in TF card slot and USB playback (supports cards or sticks up to 32GB)
  • 3.5MM aux input
  • Charge Time: 4 Hours
  • 7.4v/3000mAh Lithium-ion battery supports up to 24 hours playback at 20% volume, 12 hours of playback at 40% volume, 4.5 hours of playback at max volume
  • Battery charges with included USB cable
  • 5 LED battery life indicators
  • Distortion: Less than 1%
  • Frequency Response: 45 Hz-20 kHz
  • Play, Pause, Skip Forward, Skip Back, Volume Up, Volume Down
  • Will control next song, pause, play on popular apps like Pandora, Spotify, and others
  • 33 Foot Maximum Bluetooth Range
  • The built-in microphone allows you to make and receive phone calls hands-free
  • Compatible with any Bluetooth devices such as iPad, iPhone, Laptops, Android phone, other cell phones, iPods, other Bluetooth MP3 Players
  • Built in handle for easy portability
  • Optional shoulder / neck strap for situations where you want to wear the speaker and be hands-free
  • Product Dimensions: 11.57” (L) x 4.25” (W) x 3.54” (H)
  • Product Weight: 3.85 lbs
  • Color: Black

Owner's Manual​

  • UPC:
  • 613817044879

New orders ship within 1 business day
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