

Combine power and performance with the BOSS Audio Systems 638BCK in-dash single-din mech-less (No CD/DVD player) digital media receiver and 6.5” speakers.
Drive to your favorite playlists by hooking your smartphone or MP3 player up to the Auxiliary input. Plug into the USB port or for more options. Switch to the AM/FM radio stations to change it up and get more variety.
Bluetooth connection lets you seamlessly hook up and stream music plus enjoy hands-free calling. Choosing your sound style is a cinch with the built-in Preset EQ.
- Bluetooth: Make & receive calls, play, & control music & apps like Spotify/Pandora wirelessly
- Max Power: 50 Watts x 4 Channels
- Plays MP3/WMA/USB and Smartphones, No CD or DVD Player
- Switchable US and European Tuner
- Inputs: USB, Aux
- Outputs: Front and Rear Pre Amplifier Output
- Bass/Treble/Balance/Fader Controls and Preset Built-in EQ
- Two 6.5” Full Range 2-Way 250 Watt (Pair) speakers

Mechless
Our units without a CD mechanism are ideal for listening to digital media files from SD Cards, USB drives, and external devices such as smartphones through the auxiliary input.

Built-in Equalizer
The built-in Preset EQ allows you to choose from preset EQ curves for a variety of music styles such as Rock or Pop.

Hands Free Calling
Bluetooth enabled for wireless hands-free calling and speaker listening when paired with a smartphone.

Bluetooth Audio Streaming
Wirelessly stream audio via Bluetooth so you can listen to streaming music services such as Spotify and Pandora and control the track & volume up/down and play/pause through your system.

USB
Supports USB flash drive files up to 32 GB for music playback on units without monitors and music.

Pre-Amp Output
This unit's Pre-Amp outputs let you expand your system by adding one amp or signal processor.

ID3 Tag
ID3 Tag allows the audio file to store and display additional data such as title, artist, album, track number and more.

Switchable Tuner
The selectable tuner function allows you to adjust this receiver's tuner to receive radio broadcasts in either the US or Europe.


Combine power and performance with the BOSS Audio Systems 638BCK in-dash single-din mech-less (No CD/DVD player) digital media receiver and 6.5” speakers.
Drive to your favorite playlists by hooking your smartphone or MP3 player up to the Auxiliary input. Plug into the USB port or for more options. Switch to the AM/FM radio stations to change it up and get more variety.
Bluetooth connection lets you seamlessly hook up and stream music plus enjoy hands-free calling. Choosing your sound style is a cinch with the built-in Preset EQ.
- Bluetooth: Make & receive calls, play, & control music & apps like Spotify/Pandora wirelessly
- Max Power: 50 Watts x 4 Channels
- Plays MP3/WMA/USB and Smartphones, No CD or DVD Player
- Switchable US and European Tuner
- Inputs: USB, Aux
- Outputs: Front and Rear Pre Amplifier Output
- Bass/Treble/Balance/Fader Controls and Preset Built-in EQ
- Two 6.5” Full Range 2-Way 250 Watt (Pair) speakers

Mechless
Our units without a CD mechanism are ideal for listening to digital media files from SD Cards, USB drives, and external devices such as smartphones through the auxiliary input.

Built-in Equalizer
The built-in Preset EQ allows you to choose from preset EQ curves for a variety of music styles such as Rock or Pop.

Hands Free Calling
Bluetooth enabled for wireless hands-free calling and speaker listening when paired with a smartphone.

Bluetooth Audio Streaming
Wirelessly stream audio via Bluetooth so you can listen to streaming music services such as Spotify and Pandora and control the track & volume up/down and play/pause through your system.

USB
Supports USB flash drive files up to 32 GB for music playback on units without monitors and music.

Pre-Amp Output
This unit's Pre-Amp outputs let you expand your system by adding one amp or signal processor.

ID3 Tag
ID3 Tag allows the audio file to store and display additional data such as title, artist, album, track number and more.

Switchable Tuner
The selectable tuner function allows you to adjust this receiver's tuner to receive radio broadcasts in either the US or Europe.





