The Marantz STEREO 70s streaming receiver is an audiophile-grade stereo amplifier designed to deliver extraordinary sound quality. With 75W per channel, this powerful amp provides a dynamic and immersive listening experience. The amplifier is capable of playing high-resolution audio from you favourite streaming misic apps, giving you an unparalleled audio experence. Paired with the Bowers & Wilkins 607 S3 2-Way Bookshelf Speaker they produces a clean and precise sound. The 607 S3 usese a 1" decoupled double dome titanium tweeter and 5" continuum cone midrange/bass driver that offers smooth high frequencies and precision voice and instrument reproduction. Even at its smaller size, this system is capable of filling a small to medium size room.
High Resolution Audio
Carefully engineered with specially chosen components, the Marantz STEREO 70s unveils the natural immersiveness and power of sound. Crystal clear digital decoding of up to 192 kHz 24-bit audio and DSD opens a new world of high-resolution music with depth, breadth, and clarity not available with lossy files.
75 Watts Per Channel
The fully discrete stereo amplifier built-in produces clear, detailed, warm, spacious, and dynamic sound from any source.
TV Sound
HDMI inputs and ARC make connection to smart TVs, game systems, and streaming devices simple. Setup menu is easy to navigate via on-screen display, Extensive subwoofer management are all more commonly found in multi-channel surround sound receivers. STEREO 70s gives you these features but streamlined in a device supporting 2 loudspeakers rather than more complicated multi-channel receivers.
Pre-Amp Output
Leverage pre-amp mode to connect to an external amp for even higher sound quality and more power should you decide to upgrade later.
Slim & Elegant Design
Marantz design is timelessly elegant—an expression of the musical soundscapes the products create. Our philosophy of balance and symmetry is evident in our sound and our designs. Meticulously engineered in a compact chassis, STEREO 70s fits where standard equipment cannot.
HEOS® Built-in Multi Room Streaming
HEOS® Built-in technology lets you enjoy your favourite music in any room of your home for a wireless, whole-home audio experience. Play the same song in every room or select a different song for each connected room—the choice is yours.
Marantz STEREO 70s Specifications
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 |
Max Number of Processing (Preamp) Channels | 2.1 |
Inputs/Outputs
Composite In / Out | Yes / Yes |
Component In / Out | Yes / Yes |
HDMI In / Out | 6 / 1 |
Analog In / Fixed Level Out | 3 in / 1 out |
Phono (MM) In | Yes |
Digital In: Optical / Coaxial | 1 / 1 |
Multi-Room Out: analog / digital | 1 / 0 |
Multichannel Preamp Out | 2.2 |
USB Audio | USB A (Host) |
AM/FM Tuner | Yes |
HDMI
Total HDMI Inputs / No. Support 8K | 6 / 3 |
HDCP2.3 support | Yes |
HDMI Outputs: Main / Zone | 1 / 0 |
HDMI Upscaling | 1080P/4K to 8K |
Audio Return Channel | ARC |
Video Dynamic Range | 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
Hyper Dynamic Amplifier Modules (HDAM) (List version) | Yes |
Gold Plated RCA Terminals | Yes |
Acoustic / Room Correction
Optimized Bass Redirection | Yes |
Music File Support
Lossy Formats | MP3 / WMA / AAC |
Lossless formats | FLAC HD 192/24 / WAV 192/24 / ALAC 192/31 |
DSD Audio | 2.8 MHz / 5.6MHz |
Gapless Playback | FLAC, WAV ,ALAC ,DSD |
Compressed Audio Enhancer: MDAX2 | Yes |
Network Audio Sharing | Yes |
Streaming Services
HEOS Multi-room and Streaming | Yes |
AirPlay Audio Streaming | AirPlay2 |
Internet Radio | TuneIn |
Spotify* | Spotify Connect |
Pandora | Yes |
SiriusXM | Yes |
Other Streaming Services * | Amazon Music HD/Amazon Music / TIDAL / Deezer / iHeartRadio / Napster / Soundcloud / Mood MixRoon |
Roon tested | Yes |
Network Connectivity
Ethernet Ports | Yes |
Wi-Fi (include version / band) | Yes |
Bluetooth (Include version) | Yes |
Bluetooth Re-transmit for Bluetooth headphones | Yes (with volume control) |
Smart Home Integration And Control
Voice Assistant Compatibility | Alexa / Google Voice Assistant / Apple HomePod / JoshAi |
App for Smart Phones & Tablets (iOS & Android) | Marantz AVR App |
HEOS Multi-Room Integrated | Yes |
HEOS Link Compatibility: IR/ IP | Yes / Yes |
Zone Audio Source: HDMI / Opt, Coax / Network, USB / Analog | 2 Ch / 2Ch / Yes / Yes |
Zone HDMI Output from HDMI Source | Yes |
Others
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 in W | 210 |
Standby Consumption in W | 0.2 |
CEC Standby Consumption in W | 0.5 |
What's in the box | Main unit, remote control, batteries,AM/FM antennas, wire labels, quick startguide, Audyssey microphone, card boardmicrophone stand, 2 External DetachableAntenna, AC cord |
UPC code | 747192140267 |
Maximum Dimensions | Antenna:Horizontal:(W x D x H) in inches: 17.4 x 15.2 x 4.3 Antenna:Vertical :(W x D x H) in inches: (17.4 x 15.2 x 7.0) W/o Antenna:(W x D x H) in inches : 【 17.4 x 14.7 x 4.3 】 |
Network Standby Consumption in W | Less than 2.0 |
Weight in lbs / kg | 18.5 |
Bowers & Wilkins 607 S3 Specifications
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Size & weight
Dimensions Height: 300 mm (11.8 in) cabinet only
Width: 165 mm (6.5 in) cabinet only
Depth: 207 mm (8.2 in) cabinet only
235 mm (9.3 in) including grille and terminalsNet weight 4.65kg (10.3 lb) Technical details
Technical features Decoupled Double Dome Titanium tweeter
Continuum™ cone bass / midrange
Flowport™Description 2-way vented-box system Drive units 1x ø25mm (1 in) Titanium Dome high-frequency
1x ø130mm (5 in) Continuum cone bass / midrangeFrequency range -6dB 40Hz - 33kHz Frequency response (+/-3dB from reference axis) 52Hz - 28kHz ±3dB Sensitivity (on axis at 2.83Vrms at 1m) 84dB Harmonic distortion 2nd and 3rd harmonics (90dB, 1m on axis)
<1% 100Hz - 22kHz
<0.5% 500Hz - 10kHz
Nominal impedance 8Ω (minimum 3.0Ω) Recommended amplifier power 30W - 100W into 8Ω on unclipped programme Max recommended cable impedance 0.1Ω Finishes
Cabinet finishes Black
White
OakGrille finishes Black (Black)
Grey (White and Oak)
Payment & Security
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