Pioneer VSX921 High End Amplifier

pioneer vsx 921k

A 7.1-channel 3D-ready A/V receiver featuring HD audio decoding, HDMI 1.4a switching, and Apple device integration.

Amplification & Power

Power Output: 80 watts per channel into 8 ohms (20–20,000 Hz at 0.08% THD); up to 110 watts (1 kHz at 8 ohms) or 125 watts (1 kHz at 6 ohms).

Channels: 7.1-channel surround sound with reassignable back surround speakers for front height or a second room.

Audio D/A Conversion: 192 kHz / 24-bit digital-to-analog converters on all channels.

Audio Decoders & Processing

Surround Formats: Dolby TrueHD, DTS-HD Master Audio, Dolby Digital Plus, DTS-HD High Resolution Audio, Dolby Digital EX, Dolby Pro Logic IIz, DTS-ES, and DTS Neo:6.

Calibration & Optimization: Multi-Channel Acoustic Calibration (MCACC) room setup with included microphone, Phase Control, Advanced Sound Retriever, and Auto Level Control.

Video & Connectivity

HDMI: 4 HDMI inputs and 1 HDMI output (HDMI 1.4a with 3D, Deep Color, x.v.Color, ARC, and CEC support).

Video Upscaling: Anchor Bay video processor with analog-to-HDMI and standard-to-1080p upscaling.

Inputs/Outputs: 2 component video inputs (1 output), composite A/V inputs, 2 optical digital audio inputs, 1 coaxial digital audio input.

Streaming & Apple Integration: Front-panel USB port with direct digital connection for iPad, iPhone, and iPod, plus AirPlay, DLNA, internet radio, and optional Bluetooth via AS-BT200 adapter