Marantz STEREO 70s

Power Amplifier
Number of Powered Channels: 2
Power Output (8 ohm, 20 Hz - 20 kHz, 0.08% 2ch Drive): 75 W
Power Output (6 ohm, 1 kHz, 0.7% 2ch Drive): 100 W
Power Output (6 ohm, 1 kHz, 10% 1ch Drive): 150 W
Discrete Power Amplifier: Yes
Amplifier Topology: Class A/B

Inputs & Outputs
HDMI Inputs / Outputs: 6 / 1
Analog Inputs / Fixed Level Outputs: 3 in / out
Phono (MM) Input: Yes
Digital Inputs (Optical / Coaxial): 1 / 1
Multi-Room Out (Analog / Digital): 1 / 0
Multichannel Preamp Out: 2.2
Subwoofer Output: 2
Number of Speaker Terminals: 4
Speaker A / B: Yes
USB Audio: USB A (Host)
AM/FM Tuner: Yes

Multichannel Surround Technologies
Max Number of Processing (Preamp) Channels: 2.1

HDMI
Total HDMI Inputs / No. Support 8K: 6 / 3
HDCP 2.3 Support: Yes
HDMI Outputs (Main / Zone): 1 / 0
HDMI Upscaling: 1080P/4K to 8K
Audio Return Channel (ARC): Yes
Video Dynamic Range Support: HDR / HLG / Dolby Vision / HDR10+ / Dynamic HDR
ALLM (Auto Low Latency Mode) Pass-through for gaming: Yes
Variable Refresh Rate / Quick Frame Transport: Yes / Yes
HDMI Pass-Through in Standby Mode: Yes

Performance Technologies
Pure Direct Mode: Yes
Gold Plated RCA Terminals: Yes
Hyper Dynamic Amplifier Modules (HDAM): Yes

Music File Support
Lossy Formats: MP3, WMA, AAC
Lossless Formats: FLAC HD 192/24, WAV 192/24, ALAC 192/24
DSD Audio Support: 2.8 MHz / 5.6 MHz
Gapless Playback: FLAC, WAV, ALAC, DSD
Compressed Audio Enhancer: MDAX2 (Yes)
Network Audio Sharing: Yes

Streaming Services
HEOS Multi-room and Streaming: Yes
AirPlay 2: Yes
Internet Radio: TuneIn
Spotify Connect: Yes
Other Streaming Services: Amazon Music HD/Amazon/Music/TIDAL/Deezer/iHeartRadio/Napster/SoundCloud/Mood Mix, etc.
Roon Tested: Yes
Pandora: Yes
SiriusXM: Yes

Network Connectivity
Ethernet Ports: Yes
Bluetooth Re-transmit for Bluetooth headphones: Yes (with volume control)
Wi-Fi: Yes
Bluetooth: Yes

Smart Home Integration and Control
Voice Assistant Compatibility: Alexa/Google Voice Assistant/Apple HomePod/JoshAi
App for Smartphones & Tablets (iOS & Android): Marantz AVR App
HEOS Multi-Room Integrated: Yes
HEOS Link Compatibility (IR/IP): Yes / Yes
Multi-Room Zones: 1
Zone Audio Source: HDMI, Optical, Coax, Network, USB, Analog
Zone Audio Output: Speaker / Preout (No / Yes)
HDMI Diagnostics: Yes

Other
Front Display: Port Hole OLED
GUI Languages: English, Spanish, French
Setup Assistant: Yes
Smart Select on Remote: Yes
Firmware Update by Network / USB: Yes / Yes
ECO Mode: Yes
Auto Power Off: Yes
Sleep Timer: Yes

General
System Remote Control: RC-052SR
Power Consumption: 210 W
Standby Consumption: 0.2 W
CEC Standby Consumption: 0.5 W
Network Standby Consumption: Less than 2.0 W
Maximum Dimensions (without antenna):
Dimensions: 17.4 x 14.7 x 4.3 inches