SMR-21B Headunit

Marine Grade Single Din CD Player
  • Bluetooth Phone Calling + A2DP Audio Streaming
  • USB, Auxiliary, and SD Card Inputs for Audio Playback
  • AM/FM Tuner with 18 FM/12 AM Presets
  • 3-band Graphic Equalizer with 7 Selectable Tone Curves


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Shake the outdoors

Make every day on the water fun with Soundstream’s SMR-21B Marine CD Player receiver. Besides, you can use your smartphone to control playlists and play wireless via Bluetooth. Enjoy your favorite Pandora® and Spotify® playlists. The same goes for Apple Music® if you’re using an iPhone! Soundstream uses a conformal-coated circuit board and a positive backlit display for optimized use on the sea and sun.

So many music choices

Your iPhone or Android smartphone will work well with this stereo, but you don’t always have to rely on your phone for entertainment. Just plug in a thumb drive to the front-panel USB input or connect another device to the aux input. The SMR-21B can play MP3, WMA, WAV, and even lossless FLAC files, so you’ll be able to enjoy your entire music library.


CD/MP3, AM/FM & USB Receiver

Theft Deterrent Detachable Faceplate

Bluetooth V2.0 Hands-Free Calling from Enabled Phone

A2DP MP3 Audio Playback from Enabled Device

Playback from 32GB USB of MP3 & WMA

Playback from CD, CDR, CDRW of MP3 & WMA

AUX Audio Input for Personal Media Devices

Front & Rear Pre-Amp Output

300w 4ch. MOSFET Speaker Outputs

Custom & Pre-Set Equalizer Settings

Audio Staging Controls

12/24 Hour Digital Clock

Remote Control Included