7-Channel Power Amplifier 　
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● THX® Ultra Certified
● THX Surround EX Capable (7 Channels)
● Low-Negative Feedback Design for Optimum Signal-to-Noise Performance and Superior Dynamic Contrasts (Both Large and Small)
● Balanced XLR Inputs for Better Frequency Response, Dynamic Range and Stability on Long Cable Runs
● Symmetrical Bipolar Topology to Eliminate Corruption of System Ground by Output Currents, and to Optimize Preamplifier Performance
● High-Current Driver Stage for the Finest Performance from Any Loudspeaker
● 3 Gain Stages to Minimize Signal Coloration and Improve the Amplifier's Sonic Neutrality
● Wide Range Design to Ensure the Full Sonic Benefits from the Latest High-Resolution Source
● Massive, High-Quality, Dual 1kVA Toroidal Transformers
● 600 Joules of Energy Storage to Provide Virtually Unlimited, Extremely Clean Power to Even the Most Demanding Loudspeaker Loads and Configurations
Specification
Amplifier Section
●Power Output 
Front L/R (4Ω 1 kHz EIAJ): 350 W/ch  (10% THD)
Center (4 Ω 1 kHz EIAJ): 350 W (10% THD)
Surround L/R (4Ω 1 kHz EIAJ): 350 W/ch  (10% THD)
Surround Back L/R (4Ω 1 kHz EIAJ): 350 W/ch  (10% THD)
●THD 
20 Hz-20 kHz, at Rated Power: 0.03% (all channels)
●Damping Factor
   1 kHz, 8Ω: 40
●Input Impedance: 47 kΩ
●Input Signal for Max Output Power: 1.2 V
●Input Sensitivity 
   Unbalanced: 100 mV (RMS)
  Balanced: 200 mV 
●Frequency Response: 3.5 Hz-160 kHz (+0 dB, -3 dB)

General

●Dimensions (W x H x D): 450 x 195 x 596 mm
●Weight: 51.0 kg