Pioneer VSX-522-K, a 5.1-channel home theater AV receiver released in 2012. It's an entry-level model designed for basic home cinema setups, supporting 3D video, high-definition audio formats, and connectivity for devices like iPods/iPhones via USB. The black finish, brushed aluminum front panel, and labels (e.g., "140W x 5" power output, HDMI, Dolby, and iPod/iPhone icons) match this model exactly. It's a solid, affordable option for beginners, emphasizing ease of use with Pioneer's MCACC room calibration.

Key Specifications

Here's a summary of the main specs, drawn from official and review sources:

CategoryDetails
Channels5.1 (5 amplified channels + 1 subwoofer pre-out); supports up to 7.1 with external amp via pre-outs
Power Output80W per channel (8 ohms, 20Hz–20kHz, 0.08% THD, 2ch driven) 140W per channel (6 ohms, 1kHz, 1% THD, 1ch driven) Total: ~400W dynamic power
Audio FormatsDolby TrueHD, DTS-HD Master Audio, Dolby Pro Logic IIz, Dolby Digital Plus, DTS-ES, MP3/WMA/AAC playback via USB
Video SupportHDMI 1.4 (4 inputs/1 output, 3D-ready, ARC, 1080p passthrough, Deep Color, x.v.Color); no upconversion from composite
Connectivity- 4 HDMI in/out - 3 analog audio inputs - 1 optical + 1 coaxial digital audio in - USB front panel (for iPod/iPhone, flash drives) - 1/4" headphone jack - AM/FM tuner (30 presets) - Surround Back/Front Height pre-outs - No Bluetooth, Ethernet, or AirPlay (entry-level limitations)
Calibration & FeaturesMCACC auto room setup (with included mic); Phase Control for improved bass; Advanced Surround modes; HDMI Standby Through; Auto Power Down; Sleep Timer; Display dimmer
Dimensions & Weight17.1" W x 6.2" H x 12.9" D; ~17.6 lbs
Power Consumption415W operational
Signal-to-Noise Ratio98 dB

Performance Notes