Marantz STEREO 70s – Slim Stereo Receiver with Streaming

🧾 Overview

Enter a world of exquisite sound with the Marantz STEREO 70s, a slimline 2.2‑channel integrated amplifier that brings home‑theater technologies to a classic two‑channel setup. Delivering 75 W per channel (8 Ω) and up to 150 W in single‑channel drive, it combines Class A/B discrete amps, HDAM circuits, and a toroidal transformer for musical performance. With HEOS streaming, six HDMI inputs, and elegant design, it fits any décor while filling your room with rich stereo sound.

✅ Key Features

• ✅ 2.2 channel Class A/B amplifier with 75 W × 2 (8 Ω), 100 W × 2 (6 Ω) & 150 W (1 ch, 6 Ω) power
• ✅ Discrete power amp topology with HDAM modules and toroidal transformer
• ✅ Six HDMI inputs plus ARC output, upscaling to 8K, HDR/Dolby Vision, ALLM & VRR support
• ✅ HEOS built‑in for multi‑room streaming (AirPlay 2, Spotify Connect, TIDAL, Amazon Music HD, TuneIn)
• ✅ Pure Direct mode, Gold‑plated RCA terminals, and MDAX2 compressed audio enhancer
• ✅ Phono MM input, 3 analog ins + fixed‑level out, digital inputs (1 optical, 1 coaxial), USB‑A host
• ✅ Multichannel pre‑out (2.2), dual subwoofer outs, speaker A/B switching
• ✅ Voice control compatibility (Alexa, Google Assistant, Siri), Marantz AVR App & IR learning

📊 Technical Specifications ▼

Parameter	Value
Channels	2.2
Power Output (8 Ω, 20 Hz–20 kHz, 0.08%)	75 W × 2
Power Output (6 Ω, 1 kHz, 0.7% 2 ch)	100 W × 2
Power Output (6 Ω, 1 kHz, 10% 1 ch)	150 W
Amplifier Topology	Class A/B discrete, Current Feedback
HDAM Modules	Yes (Hyper Dynamic)
Power Transformer	Toroidal
HDMI Inputs / Outputs	6 / 1 (ARC)
HDMI Upscaling	1080p/4K → 8K
Video Formats	HDR, HLG, Dolby Vision, HDR10+, Dynamic HDR
ALLM / VRR / QFT	Yes / Yes / Yes
Phono MM Input	Yes
Analog In / Fixed Out	3 / 3
Digital In (Optical / Coaxial)	1 / 1
USB‑A (Host)	Yes
Multichannel Pre‑Out	2.2
Subwoofer Outs	2
Speaker Terminals	4 binding posts, A/B switchable
AM/FM Tuner	Yes
Lossy Formats	MP3, WMA, AAC
Lossless Formats	FLAC HD 192/24, WAV 192/24, ALAC 192/24
DSD Audio	2.8 MHz / 5.6 MHz
Gapless Playback	Yes (FLAC, WAV, ALAC, DSD)
Compressed Audio Enhancer	MDAX2
Network Audio Sharing	Yes
Streaming Services	HEOS, AirPlay 2, TuneIn, Spotify Connect, TIDAL, Deezer, Amazon Music HD, Napster, SoundCloud, Mood Mix, Pandora, SiriusXM
Roon Tested	Yes
Ethernet / Wi‑Fi / Bluetooth	Yes / Yes (dual‑band) / Yes
Bluetooth Re‑transmit	Yes (with volume control)
Voice Assistant	Alexa, Google Assistant, Apple HomePod, Josh.ai
Display	Port‑hole OLED
GUI Languages	English, Spanish, French
Setup Assistant	Yes
Smart Select on Remote	Yes
Firmware Update (Network/USB)	Yes / Yes
ECO Mode	Yes
Auto Power Off / Sleep Timer	Yes / Yes
Power Consumption	210 W (max), 0.2 W (standby)
Dimensions (W × D × H)	17.4″ × 14.7″ × 4.3″
Weight	10.8 kg

📦 What’s in the Box

• 📦 Marantz STEREO 70s Main Unit
• 🔌 AC Power Cord
• 🎛️ RC‑052SR Remote Control + Batteries
• 📻 AM/FM Antennas
• 🏷️ Wire Labels
• 📖 Quick Start Guide
• 📡 2 × External Detachable Antennas

🔄 Compatibility

✔ Works with any 4 Ω–16 Ω speakers; dual subwoofer outputs. ✔ HEOS streaming supports iOS, Android, Windows, macOS; AirPlay 2, Chromecast, and all major music services. ✔ Voice control via Alexa, Google Assistant, Apple HomePod, Josh.ai.

📦✈️ Shipping & Returns

• 📦 Insured worldwide delivery
• 🔄 14‑day return policy
• 🛡️ 2‑year manufacturer warranty

📝 Reviews

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