Russound MCA-88 Digital multi-zone controller amplifier

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Russound MCA-66 6-Zone 6-Source Controller Amplifier Black (bottom One)

Arylic A50+ Wireless Streaming Integrated Amplifier, 50Watts, USB, Pandora.

Russound D890 8-channel Digital Amplifier

Russound D850 8 channel Digital Amplifier 50 wpc B stock

Monoprice 44519 4-Zone Multizone Controller Amplifier Bluetooth IR RCA TOSLINK

Integra DTA-70.1 9-Channel THX Power Amplifier