Yamaha RX-A3060BL vs Onkyo TX-RZ3100: which would you get for the best home entertainment experience? The RX-A3060BL has 9.2 channels amplifier and the TX-RZ3100 11.2 channels. Both receivers have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices. We have evaluated both AV receivers, RX-A3060BL has an overall score of 8.5 out of 10 vs 8.2 out of 10 for TX-RZ3100.