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The 820UA is an in-dash A/V receiver from Boss Audio.

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Standardized mount makes this easier to install than some units

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Decent number of inputs available for this price

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  • Only 3 words are allowed.

Amplifier seems to distort playback at higher volumes

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SD card slot is hidden under the front panel and hard to access

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Bass response is lacking, low output even with the "loud" function turned on

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Volume output is drastically lower than expected on such units, inaudible below 70% volume

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Knob controls feel too loose, difficult to be precise when changing settings

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SD card playback is painful to navigate, does not read directories properly

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  • Only 3 words are allowed.


The 820UA is an in-dash A/V receiver from Boss Audio.  The receiver is designed with an active black mask display that has illuminated control buttons and is fully-detachable for security.  It offers playback of CD, CD-R, CD-RW, and MP3 formats and includes an integrated AM/FM tuner with 24 station presets. The 820UA provides a total output power of 80 watts through four channels and has a 5-volt preamp output.  It also has built-in USB and SD card slots as well as an AUX input on the front panel, allowing direct playback from an MP3 player.  The receiver comes with a wireless remote control and has a 1 year limited warranty.

  • Single mounting
  • Full detachable front panel
  • Playback: CD, CD-R/RW, MP3
  • Output power: 80w x 4 channels
  • 5 Volt preamp output
  • Oversized, active black mask display
  • Illuminated control buttons
  • PLL synthesized tuner with 24 station presets
  • Front panel AUX input
  • USB & SD Memory Card Slot
  • Compatible with iPod and other MP3 players
  • Separate bass and treble
  • Balance and fader controls
  • Wireless remote control
  • 1 year limited warranty
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