Musical Fidelity M3si Integrated Amplifier

Musical Fidelity M3si Integrated Amplifier

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The newly developed M3si integrated amplifier from London-based Hifi experts; Musical Fidelity is a vastly improved version upon the previous M3i model. The M3si features more inputs, more power and individually powered monobloc power amplifiers to offer a truly astonishing sonic performance.



 Power Output 85 Watts per channel into 8 Ohms 
 Total Harmonic Distortion
(+ noise)
<0.014 % typical, 20Hz to 20 kHz 
Signal to Noise Ratio  >98dB ‘A’-weighted 
 Frequency Response +0, –0.1dB, 10Hz to 20 kHz 
 INPUTS -  4x Line Level RCA / Phono
- USB - Type “B” socket up to a
nd inc. 24 bit 96kHz USB audio stream
- 1x MM Phono input 
Sensitivity (nominal)  3mV (suitable for cartridges giving 1.5mV or more including high output MC types) 
 Signal to Noise Ratio  >70dB ‘A’-weighted 
 Input Impedance 50k Ohms 
 Frequency Response RIAA/IEC ±1dB, 20Hz to 20 kHz 
Dimensions (Width x Height x Depth) in mm 440 x 100 x 400
          Weight (Unpacked and removed from box/Including packing)           9.2 kg/ 13 kg

Providing your item is in stock, the order is usually dispatched within 24 hours. Please remember that postage and packing is completely free for orders over £50*. Out of stock items will be dispatched as soon as they become available, out of stock items can take between 4 to 21 days for dispatch.

Deliveries usually take 1-3 working days. The majority of orders are sent via our couriers'; Interlink Express on a next-day-delivery service. Smaller, low value or light-weight items are normally posted using Royal Mail Recorded or Royal Mail Special Delivery.

Once your product has been dispatched, you will be notified via email and sent a unique consignment number, you can use this number at to check the status of your delivery. If you have provided a mobile telephone number, Interlink's Predict service will notify you by text (and email) of a one-hour delivery window. If the window they suggest is inconvenient, you can change the date of delivery to a later one via text or email.

*We ship free of charge to mainland UK addresses, excluding the Scottish Highlands or 'Out-Of-Reach' Scottish locations. Please consult the post-codes below to see if your location falls within this category. If you are still unsure, please contact us on 01432 354921. We also ship to Northern Ireland, Channel Islands, Scilly Isles, Scottish Isles and Scottish Highlands, however delivery to these locations will incur a charge and can only be sent via a 2-day service.

Shipping CostsMainland UK (Next-Day)Offshore/Out-of-reach (2-day)Northern Ireland, Channel Islands, Isle of Man, Scottish Islands, Scilly IslandsRepublic of Ireland (2-day)
Under £50 Orders £7.50 £12.50 £15.00
Over £50 Orders FREE £19.99 £29.99
Surcharge Orders £50.00 £69.99 £79.99
Saturday Delivery £12.99 N/A N/A
Sunday Delivery £12.99 N/A N/A
Saturday by 12 Delivery £35 N/A N/A


Post codes exempt from the free delivery service include:

Scottish Highlands Post Codes: AB30-38, AB41-42, AB44-56, FK17-99, G83, IV1-28, IV30-39, IV52-54, IV63, KW1-14, PA21-33, PA34-40, PH15-26, PH31-41, PH49-50
Islands Post Codes: HS1-9, IV40-51, IV55-56, KA27-28, KW15-17, PA20, PA41-49, PA60-78, PH42-44, ZE1-3
Northern Ireland: All BT postcodes
Channel Islands Post Codes: JE, GY
Scilly Isles Post Codes: TR21, TR22, TR23, TR24, TR25

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