3.125 1 5 0

The Boss 634CA/RDS634CA is a basic 1-DIN CD player and car radio.

Where to buy

Seller Price Seller Rating
Show more

looks nice in the dash, very striking

1 agrees

generally easy to work with, well designed interface

1 agrees

good control over the sound quality, allows you to tune it effectively

1 agrees

display is easy to read day or night

1 agrees

strong preamp output for external amps

1 agrees
  • Only 3 words are allowed.

labels on the buttons are really hard to read day or night

1 agrees

display doesn't show a lot of characters at once

1 agrees

sound output isn't very loud, often needs to be turned all the way up

1 agrees
  • Only 3 words are allowed.


The Boss 634CA/RDS634CA is a basic 1-DIN CD player and car radio. The following model, the Boss 636CA/RDS636CA, has the same design and features as well as MP3 support. They are otherwise identical, including an active black mask display with illuminated control buttons and a fully detachable front panel for security. Output runs to 4 channels at 50 watts per channel, and extra amplifiers can be attached through the 5 volt preamp output. A number of functions work to create smooth playback of CD content, including a 1-bit digital-audio converter with 8x oversampling and ESP. Tone can also be adjusted through a number of EQ presets and separate controls for bass and treble. 

  • Single DIN mounting
  • Full detachable front panel
  • 5 Volt preamp output
  • Active black mask display
  • Illuminated control buttons
  • PLL synthesized tuner with 24 Station presets
  • Switchable USA/Europe radio frequencies
  • Front panel auxiliary input
  • Compatible with audio output of iPod and other MP3 players
  • Quartz digital clock
  • CD mute function / Track repeat / Intro scan
  • 1 Bit D/A converter / 8X oversampling
  • ESP (anti-skip mechanism)
  • Preset EQ response curves / Separate bass and treble
  • Loudness / Balance and fader controls
  • RCA outputs
  • Local/distance switches
  • Wireless remote control
  • Output power: 50w x 4 channels
About Us