boss 660ck package system boss 638ua in-dash cd mp3 reciever plus one pair of boss duo-fit speakers that may be used to replace existing 5.25 or 6.5 speakers
this 240-watt receiver speaker package system from boss audio pairs their 638ua cd mp3 receiver with a pair of duo-fit speakers to fit 5.25 - or 6.5-inch installs . a perfect way to add a full system to your vehicle at once . replace your oem system the 638ua makes a great replacement for single-din oem systems . the unit features a fully detachable front panel for security an active black mask display with illuminated control buttons and a quartz digital clock readout . am fm radio enjoy your favorite radio programming with the pll-synthesized tuner featuring 24 station presets for instant access to your preferred stations and switchable usa europe radio frequencies . auxiliary input the convenient front-panel auxiliary input 3.5 mm mini jack is a great way to enjoy audio from your ipod mp3 player or other external audio devices . cd player play back all your favorite cds including burnt cd-r rw discs . the esp anti-skip mechanism ensures your music isn t interrupted by any bumps in the road and playback features such as a mute function repeat mode or intro scan are all included . you can also enjoy your favorite mp3s burnt to cd with full id3 tag display of artist track info . usb and sd connectivity the 638ua features a front-panel usb port and sd card jack so you can instantly switch out usb thumb drives or sd cards with a fresh batch of mp3 tunes podcasts etc. dial in your sound select from preset eq response curves and tweak it a bit more with separate bass and treble controls . a loudness feature ensures ample low-end even during quiet listening and standard balance fader controls let you adjust the stereo image to suit your vehicle . preamp output the 638ua provides 60 watts through four channels and if you d like to expand your system use the 5v rca preamp output to send to an external amplifier . remote included a wireless remote control is included for convenient control of the system . what s in the box boss 638ua receiver pair of duo-fit speakers mounting hardware user s manual