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Item#: 9SIA1J70ZW2368

Pioneer VSX-523-K 5.1-Channel 4K Ready A/V Receiver

  • 5.1 channel, 80W per channel
  • 4 HDMI/3D and 4K pass-through
  • MCACC Automation Room Calibration
  • Direct Energy Amp, 192kHz/24-bit DAC
  • MP3/WMA/AAC Playback via Front Panel USB
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Learn more about the Pioneer VSX-523-K




Power Output
140 W/ch (6 ohms 1 kHz 1 % 1ch Driven)

80 W/ch (20 Hz - 20 kHz, THD 0.08 % @ 8 ohms FTC)
Dolby TrueHD/Dolby Pro Logic IIz/Dolby Digital Plus

DTS-HD Master Audio/DTS Neo:6

Digital Core Engine with Texas Instruments Aureus DSP
D/A Converter
192 kHz/24-bit DAC
HDMI Audio Return Channel (ARC)

Pioneer Auto MCACC Room Calibration

Pioneer Sound Enhancements

Phase Control

Advanced Sound Retriever (2ch)

Auto Level Control (2ch)

Advanced Surround Modes

Action, Drama, Advanced Game, Sports, Classical, Rock/Pop

Front Stage Surround, Extended Stereo

Phones Surround

ECO Mode 1, ECO Mode 2
3D Ready (Blu-ray DiscTM, Broadcast, and Games)

Deep Color (36-bit), x.v. ColorTM

Ultra HD (4K) Pass Through


FM/AM Tuner


4 In / 1 Out
Digital Optical Audio
1 In
Digital Coaxial Audio
1 In
Headphone Jack
Pre-Amp Out
Single Sub
iPod Compatibility
Other Connectors
AV (Composite) x 2 in

Audio x 1 in (assignable)

Monitor Composite x 1 out


Remote Control


Power Supply
AC 120 V 60 Hz
415 W
Standby Consumption
0.1 W


Amplification Type: Direct Energy

iPod Digital Transmission via Front USB Terminal

Charges iPod and iPhone

Music File Playback via USB (MP3, WMA, AAC)

On Screen Display (Analog only)

Auto Power Down

Power Save for HDMI Standby Through

AM/FM Tuner 30 Presets

Sleep Timer

Dimensions & Weight

17.13" x 6.63" x 13.06" (W x H x D)
18 lbs. 4 oz. (8.3 kg)

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

Customer Reviews of the Pioneer VSX-523-K

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  • Nathan R.
  • 4/11/2014 1:42:44 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week

5 out of 5 eggsGreat Reciever!

Pros: Awesome quality. Sound, build, and style are all great. Great buy for $250. Has just enough speaker control including SW control. Excellent crossover control and enough sound processing options anyone could dial this thing into their preferred sound. Excellent SW control. Excellent Speaker Control.

Cons: None.

Other Thoughts: Sounds great on my Polk speakers and sub.

Did you find this review helpful? Yes No

  • Robert D.
  • 7/6/2013 9:51:32 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month

4 out of 5 eggsNice but lacks

Pros: All around sound and setup a breeze. Menu is easy and Speaker setup is a breeze. Sound comes out bright and well in stereo as well as surround sound. controller is easy to use and well layed out.

Cons: deducted a egg for lack of sub woofer control. only 2 options are available speaker large and 6 Mhz range. Its vbery much lacking the punch I was used to. Its more of subtle sound then a thundering explosion of sound. Movies really lack the balance I would want but it was a gift so I will live with it.

Other Thoughts: If you buy this get very good base sounding front speakers. It will be the only way to get realistic base in action movies. But over all its not a bad Reciever at all, the highs and voice are excellant. Music on the other hand will not aloow for good head bangin

2 out of 2 people found this review helpful. Did you? Yes No

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Electronics > 
Home Audio & Home Theater > 
Receivers > 
Pioneer > 
Item#: 9SIA1J70ZW2368
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