Onkyo 3100
POWER AND AMPLIFICATION 155w (1kHz, 10% THD, 1ch @ 6 ohms) 80w (20-20kHz, 0.08% THD, 2ch @ 8 ohms - FTC) Class AB Amplifier 5.2 or 3.2.2 channels (5 amplified) HDMI AND VIDEO INPUTS 4 In / 1 Out (eARC) 8K/4K Ultra HD Dolby Vision, HDR10+ 8K/4K Ultra HD, Dolby Vision, HDR10+, HDCP2.3, HDMI2.1a VRR, QFT, Dynamic HDR, ALLM, DSC, SBTM AUDIO IN/OUT 4 HDMI, 3 RCA, 1 Opt, 1 Coax inputs 2 preout subwoofer Zone B stereo RCA lineout SURROUND MODES Dolby Atmos, Dolby Surround DTS:X, Neural:X Dolby Atmos Height Virtualizer and DTS Virtual:X KEY FEATURES 80 w/ch x 5ch, High current amplifier Dolby Atmos®, DTS:X® HDMI 2.1a - 8K/4K, HDCP2.3, Dolby Vision, HDR10+, SBTM 5.2ch or 3.2.2ch processing with Dolby Atmos height/surround virtualizer Bluetooth® DTS:X, DTS Virtual:X, Neural:X AccuEQ Room Calibration Klipsch Optimized Mode Music Optimizer
 
Bentley acoustics 
RB2 x 2
RA1 x 2
RC2 x 1