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The JVC KW-AVX840 is a mid-cost car A/V unit.

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Pros

Screen is large and boasts excellent picture quality.

3 agree

Excellent iPod and iPhone integration.

1 agrees

Radio tunes nicely with good signal strength.

1 agrees

EQ settings are detailed, allow for precise audio adjustment.

1 agrees
  • Only 3 words are allowed.
Cons

Included documentation is sparse and unhelpful.

3 agree

No EQ bounce display mode as the screen goes to sleep automatically after 10 seconds.

1 agrees

No auto clock update via HD radio.

1 agrees
  • Only 3 words are allowed.
Edit

 

The JVC KW-AVX840 is a mid-cost car A/V unit. As this line of A/V head units was created with MotionX-GPS Drive, you can use your iPod/iPhone as a navigation device with it. The map data from your iPod/iPhone can be displayed on the KW-AVX840's screen. When you are playing music on your iPod/iPhone (which you can control through the rear USB 2.0 port), it will be turned down so that this unit can give you turn-by-turn directions. This A/V head unit supports DVD playback, and is HD ready. With a subscription, you can have satellite radio playing on the KW-AVX840 (with Dolby Digital sound). You can customize your screen by creating personal wallpaper images as backgrounds. You can also control basic functions using touch and slide control operations. This model differs from the lower cost KW-AVX794 model in that it has a motorized seven inch touchscreen with proximity sensor (as opposed to 6.1 inches of regular detachable touchscreen), has a seven-band iEQ (for fine-tuning your audio settings), is Dual Play/Dual Zone capable (which allows passengers in the front and the back to take in different media), and is steering wheel remote control ready. The JVC KW-AVX840 A/V unit comes with Bluetooth included, which allows you to make hands-free calls, stream audio, dial with your voice, and use Handsfree/Private mode.

Features
  • Double-DIN
  • 7” detachable motorized screen w/ proximity sensor
  • 7-band iEQ
  • Dual Play/Dual Zone capable
  • Steering wheel remote control ready
  • Bluetooth included
  • 4 x MOS-FET 50 watt outputs
  • 3 sets of 5V line pre-outs
  • HD ready
  • Rear USB 2.0 port w/ 2-way iPod control and External Mode
  • Wireless remote
  • 2 year warranty
  • AUX input
  • Color: Black
  • Optional KS-U30 iPod/iPhone video playback adapter
  • SAT radio ready
  • DVD playback
  • Dolby Digital sound
  • DivX
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