The Marantz Stereo 70s Network Stereo Receiver is a slimline, two-channel alternative to traditional AV receivers, designed for dedicated stereo home cinema entertainment and audio setups. It delivers warm and dynamic audio with a fully discrete Class A/B amplifier providing 75 watts per channel. The receiver supports the addition of up to two subwoofers and features pre-amp outputs for future expansion. Engineered for efficient operation with minimal noise, it utilizes Marantz's proprietary SA2 HDAM circuitry for crystal clear high-resolution digital decoding up to 192 kHz / 24-bit. The Stereo 70s also offers high-resolution video capabilities with six HDMI inputs, three of which support 8K UHD. It is compatible with HDR10+ and Dolby Vision, 4K/120Hz gaming, and 8K upscaling for 1080p and 4K content. Built-in HEOS compatibility allows access to streaming platforms like Spotify, Tidal, and Apple AirPlay 2. With multi-room Zone 2 audio capability, it can fill your entire home with sound, and can be integrated into a network multi-room setup with other HEOS-enabled devices. The receiver also features 7-channel amplification (up to 50W per channel) and supports Dolby Atmos, Dolby Atmos Height Virtualization Technology, DTS:X, and DTS Virtual:X. It offers 8K/60Hz pass-through and upscaling, HDR10, HDR10+, Dolby Vision, Hybrid Log-Gamma (HLG), Dynamic HDR, and Quick Media Switching (QMS). Compatibility extends to smart speakers and smartphones via Amazon Alexa, Google Assistant, or Apple Siri. For gaming, it supports 4K/120Hz pass-through and upscaling, Variable Refresh Rate (VRR), Quick Frame Transport (QFT), and Auto Low Latency Mode (ALLM). Music streaming services like Spotify, TIDAL, TuneIn Internet Radio, and Deezer are supported through Bluetooth, Apple AirPlay 2, or the HEOS app.