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Marantz Stereo 70s Network Stereo AV Amplifier – Black
£899.00
✓ 2 Year Warranty included
✓ Authorised UK Dealer
✓ FREE Next Working Day Courier Service to mainland UK
The Marantz Stereo 70s is a slimline network stereo AV amplifier that blends classic hi-fi performance with modern streaming, HDMI connectivity, and elegant design—perfect for music lovers who want TV and stereo sound from one refined hub.
Slim Design, Full AV Performance
The Stereo 70s delivers powerful two-channel amplification in a compact chassis that fits easily into modern living spaces. With multiple HDMI inputs, eARC support, and high-quality amplification, it’s ideal for upgrading TV sound while maintaining true stereo hi-fi performance.
Streaming at the Heart of Your System
Built-in HEOS streaming gives you instant access to music services, internet radio, and multi-room audio. Whether you’re playing vinyl, streaming playlists, or connecting a TV, the amplifier keeps everything seamless and easy to control from one central system.
Signature Sound with Modern Flexibility
Engineered by Marantz, the Stereo 70s delivers warm, detailed sound with the versatility of a modern AV hub. It’s a perfect match for contemporary homes that want premium stereo listening and everyday convenience in one stylish component.
Elegant Hi-Fi, Everyday Listening
The Marantz Stereo 70s combines refined aesthetics with high-fidelity performance, making it a versatile centerpiece for any living space. Its intuitive controls, premium amplification, and network streaming capabilities allow effortless enjoyment of music, movies, and TV, whether for focused listening sessions or casual background sound. Perfect for those who want classic hi-fi quality without compromising modern convenience.
Power Amplifier: Yes
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
HDMI In / Out: 6 / 1
Analog In / Fixed Level Out: 3 in / out
Phono (MM) In: Yes
Digital In: Optical / Coaxial: 1 / 1
Multi-Room Out (Analog / Digital): 1 / 0
Multichannel Preamp Out: 2.2
Subwoofer Out: 2
Number of Speaker Terminals: 4
Speaker A / B: Yes
USB Audio: USB A (Host)
AM/FM Tuner: Yes
Max Number of Processing (Preamp) Channels: 2.1
Total HDMI Inputs / 8K Support: 6 / 3
HDCP 2.3 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 Pass-through for Gaming: Yes
Variable Refresh Rate / Quick Frame Transport: Yes / Yes
HDMI Pass-Through in Standby Mode: Yes
Pure Direct Mode: Yes
Gold Plated RCA Terminals: Yes
Hyper Dynamic Amplifier Modules (HDAM): Yes
Lossy Format Support: MP3 / WMA / AAC
Lossless Format Support: FLAC 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
HEOS Multi-room & Streaming: Yes
AirPlay Support: AirPlay 2
Internet Radio: TuneIn
Spotify Support: Spotify Connect
Other Streaming Services: Amazon Music HD / Amazon Music / TIDAL / Deezer / iHeart Radio / Napster / SoundCloud / Mood Mix
Roon Tested: Yes
Pandora: Yes
SiriusXM: Yes
Ethernet: Yes
Bluetooth Re-transmit for Headphones: Yes (with volume control)
Wi-Fi: Yes
Bluetooth: Yes
Voice Assistant Compatibility: Alexa / Google Voice Assistant / Apple HomePod / Josh.ai
Control App: Marantz AVR App (iOS & Android)
HEOS Multi-Room Integrated: Yes
HEOS Link Compatibility (IR / IP): Yes / Yes
Multi-Room Zones: 1
Zone Audio Source: HDMI 2ch / Optical & Coax 2ch / Network & USB Yes / Analog Yes
Zone Audio Output (Speaker / Preout): No / Yes
HDMI Diagnostics: Yes
Front 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: Yes
Sleep Timer: Yes
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
Dimensions (W x D x H): 17.4 x 14.7 x 4.3 in
What’s in the Box: Main unit, remote control, batteries, AM/FM antennas, wire labels, quick start guide, 2 external detachable antennas, AC cord
How will you send my item?
We ship to addresses within the UK using Royal Mail and DPD couriers.
How much does delivery cost?
Standard 2-3 working day delivery is FREE on all orders to mainland UK. Next working day courier service is available on all orders for a small fee of £4.99. On some items this is provided for FREE.
For orders to UK Non-mainland and International destinations, there will be an additional charge at checkout. Please see below for more information.
How long does delivery take?
Depending on the delivery service you choose, delivery usually takes between 1-4 working days to mainland UK from the moment we despatch your order. Orders to UK non-mainland and international destinations can take longer.
When will you despatch my order?
Orders placed before 3pm are processed and despatched the same day (excluding bank holidays and weekends). Orders placed on weekends will be processed and despatched the following working day.
*Please note that international orders may require extra checks before we are able to despatch your order so timescales may vary.
Can I track my delivery?
Yes - Order tracking is offered as standard on all items, whether they are shipped via DPD or Royal Mail. You will receive your tracking information via email once we have despatched your order.
UK Non-mainland and International destinations.
Post Brexit some of our delivery partners have changed the way we ship to international and offshore destinations. This means that the cost of shipping to some locations has increased significantly and additional paperwork may need to be completed for some international orders.
Shipping for all items to UK Non-Mainland and International destinations will incur a charge at checkout. This charge is not final and additional postage may be required. Furthermore, this may incur additional delivery delays and also local customs charges which the buyer is responsible to pay.
Shipping to international destinations may require further security checks and I.D. to be provided by the cardholder. We reserve the right to cancel any orders where an order does not pass our security checks or the additional postage is not paid.
To avoid any confusion we would advise that you contact us before making your order.
What do you class as UK Non-mainland?
Rep. Ireland, N. Ireland, Channel Islands, Jersey, Guernsey, Isle of Wight, Isle of Man and Scottish Highlands. If you are unsure whether your address is classed as UK Non-mainland please feel free to contact us and an advisor will be happy to help.
For any further enquiries with regards to your delivery please contact us on 020 8561 9845 and one of our adviser's will be happy to help.
If you're not happy with your item or you've changed your mind.
Even though we're sure you'll be happy with your purchase, it's important that you are aware of how we deal with returns in the event that you need to send something back.
We understand how inconvenient it can be when you buy a product and aren't 100% satisfied with it. For this reason we have designed our returns policy to prevent any further inconvenience to you in these instances.
Under 30 days
- You can return your goods for a full refund or exchange as long as you inform us of your intention to return the goods within 30 days of receipt, starting from the day after you receive your goods (Exclusions apply, see below.)
- All return costs are down to the buyer and it is recommended that you return your items using a trackable method with appropriate insurance (if required).
- Once we have confirmed your return, please ensure that you return the item within 14 days.
- If a returns number is provided then please ensure that the parcel has this clearly marked.
- Items need to be returned in "as new" condition in their original packaging. We don't mind if you open the product to check it, however any used or damaged products will be subject to a 25% handling fee so please take care when opening your items.
After 30 days
- We will not offer a refund after 30 days of you receiving your delivery unless your product is faulty.
Exclusions from our returns policy
As we're sure you'll understand, there are some products that we can't offer returns on due to their nature. These include:
- Special order items and cables cut from a reel (priced per metre). These items will be clearly identifiable.
- In-Ear headphones due to health and hygiene reasons.
- Products that include software which require activation.
Please note : that these exclusions do not apply to items that become faulty.
If your product becomes faulty
We endeavour to get your items to you in fully working order, however in the event that your items do become faulty, please read below on what you should do next.
In a lot of cases with some products, faults can be fixed by performing some basic troubleshooting, so to prevent any further inconvenience to you we advise that you contact our Customer Service team who can guide you through some basic troubleshooting before sending items back.
Under 30 days
- If your items become faulty within 30 days of delivery you are entitled to a full refund or exchange. Please contact our customer service centre who will provide necessary returns details.
- Please send the items back with a cover note including a description of the fault and your original order number.
- Once we have fully tested the item and confirmed the fault, we will process the refund or exchange including cost of carriage back to us (within reason).
- If during our testing we cannot find a fault, no refund will be given and you will be charged for delivery of the item back to you.
After 30 days
- After 30 days you will still be able to get your faulty items repaired or replaced within the manufacturers warranty and we will be happy to assist you with this. Please contact our customer service team to find out the best way to get your items repaired or replaced. Please be aware that after 30 days we will not cover you for any carriage costs.
