Marantz NR1608 Slim 7.2 AVR w/ Dolby Atmos, Full 4K Ultra HD, WiFi & B – AA Sandbox
Old Marantz receiver to bluetooth (not loud enough) | Headphone Reviews and Discussion - Head-Fi.org
Marantz SR5015 7.2-channel home theater receiver with Dolby Atmos®, Wi-Fi®, Bluetooth®, Apple AirPlay® 2, and Amazon Alexa compatibility at Crutchfield
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Marantz M-CR612 Network CD Receiver with HEOS, Bluetooth, and Voice Control | World Wide Stereo
Marantz SR8015 11.2-channel home theater receiver with Dolby Atmos®, Wi-Fi®, Bluetooth®, Apple AirPlay® 2, and Amazon Alexa compatibility at Crutchfield
Marantz Cinema 40 125W 9.4 Ch Bluetooth Capable with HEOS and Dolby Atmos 8K Ultra HD A/V Home Theater Receiver with Alexa Black CINEMA40 - Best Buy
Marantz M-CR612 Network CD Receiver (2019 Model) | Wi-Fi, Bluetooth, AirPlay 2 & HEOS Connectivity | AM/FM Tuner, CD Player, Unlimited Music Streaming | Compatible with Amazon Alexa | Black