Unsupported Browser
The web browser that you are currently using is no longer supported, and as such features of this website may not work as expected. We advise you to update to a currently supported browser (such as Chrome, Edge, or Firefox) to improve your security, speed, and overall experience.
Playing videos requires marketing & advertising cookies. By pressing Play, you consent to their use, which will override previously rejected settings. To update your preferences, see our cookie policy.
Playing videos requires marketing & advertising cookies. By pressing Play, you consent to their use, which will override previously rejected settings. To update your preferences, see our cookie policy.
Playing videos requires marketing & advertising cookies. By pressing Play, you consent to their use, which will override previously rejected settings. To update your preferences, see our cookie policy.
Key Features
The Musical Fidelity M6si Amplifier & Monitor Audio Studio 89 Bookshelf Speakers Hi-Fi Bundle is designed for dedicated listeners who value musical precision and beautifully balanced sound. The M6si amplifier delivers 220 watts per channel, offering effortless power and control across all volumes. Its fully discrete design ensures a clean, distortion-free signal, while multiple inputs, including balanced XLR, make it versatile for modern and classic setups alike. You’ll hear more of your music – with the space, depth, and emotion that brings every performance to life.
Paired with the Studio 89 bookshelf speakers, this system creates a detailed and immersive listening experience. The speakers use Monitor Audio’s RDT III cones and high-frequency MPD III transducers to reproduce subtle textures with exceptional accuracy. Compact yet commanding, they bring understated sophistication to any room. Together, they form a system that delivers power, finesse, and musicality in perfect harmony.
Product Ref: 352397
With 220W per channel into 8 ohms (400W into 4 ohms), the M6si delivers high-current output that controls speakers with authority. Its class A/B amplifier stage is designed for stability under load, ensuring dynamics remain intact even with inefficient or large floorstanders. Total harmonic distortion is exceptionally low at less than 0.007 (20Hz–20kHz), meaning the sound stays clean and composed across the spectrum. Whether reproducing subtle acoustic detail or wide-scale orchestral peaks, the M6si delivers power that feels expansive, balanced and built for long listening sessions.
Internally, the M6si is split into three sections: a preamp and two completely independent monobloc power amplifiers. Each power stage has its own dedicated heatsinks, power supply and layout, minimising crosstalk and preserving signal purity. Channel separation is excellent at over 82dB at 1kHz, and frequency response remains flat from 10Hz to 50kHz. This approach delivers the imaging and clarity you’d expect from separate boxes, but with the practicality of an integrated amp. It’s a technical design focused on reducing interference and revealing more musical information.
The M6si supports a wide range of source devices through its generous I/O options. Analogue inputs include four RCA line-level, one balanced XLR and a switchable MM/MC phono stage with accurate RIAA equalisation. Digital users can connect via asynchronous USB (24-bit/96kHz) for computer-based playback. A fixed pre-out and home theatre bypass add further flexibility for system expansion. Signal-to-noise ratio is 107dB (line) and 90dB (phono), ensuring low background noise and full-resolution playback from vinyl, streaming or CD. It’s a fully equipped amplifier built to grow with your system.
The Studio 89 nod to the original Studio Series, blending nostalgic design cues with premium modern materials. The high-gloss cabinet, gold-accented drivers, and compact proportions reference the iconic Studio 15, reimagined for contemporary interiors. This mix of style and substance gives you a speaker that looks just as distinctive as it sounds, making it an ideal choice for those who want standout performance with timeless design.
Inside each Studio 89 is a carefully tuned acoustic system, pairing dual RDT III bass-mid drivers for tight lows with an MPD III tweeter for extended high-frequency detail. A custom crossover integrates the drivers seamlessly, ensuring balanced, natural sound across all genres. The tweeter’s central position also helps create a more coherent soundstage, enhancing imaging and precision no matter where you sit.
Despite its modest size, Studio 89 fills the room with confident, dynamic sound. The HiVe II rear ports manage airflow for smoother bass response, while the rigid cabinet minimises unwanted resonance. Whether placed on a shelf or paired with the matching stands, this speaker delivers the kind of immersive listening experience you’d expect from much larger models – making it ideal for both music and film.
| Amplifier Type | Integrated Amplifier |
|---|---|
| Amplifier Class | A-B |
| Power Output (8Ω) | 220 W |
| Amplifier Voltage Output | 120V Peak to Peak |
| Amplifier Current Output | 45A Peak to Peak |
| Output Devices | 2 Pairs per-channel |
| Damping Factor | 180 |
| Signal To Noise Ratio | (A-Weighted) > 107 dB |
| THD +N | Typical < 0.007 |
| Phono Input | MM and MC Input |
| Phono Stage Impedance (MM) | 47 kΩ |
| Phono Stage Impedance (MC) | 47000 Ω |
| RCA Input(s) | 4 Stereo Pair |
| Input Impedance (Unbalanced Input) | 40000 Ω |
| Balanced XLR Input(s) | 1 Stereo Pair |
| Home Theatre Bypass Input | Yes (Switchable) |
| USB Digital Input | 1 x USB Type-B |
| File Limit Support (PCM) | 24-bit, 96kHz |
| Fixed Analogue Output(s) | 1 x RCA Pair |
| Variable Analogue Output(s) | 1 x RCA Pair |
| Trigger Connection | Y |
| Maximum Power Consumption | 680 W |
| Dimensions (W x H x D) | 440 x 125 x 400 mm |
| Weight | 17.3 kg |
| Product code | MFIMM6SI1B |
| EAN | 9120082385534 |
| Model | Studio 89 |
|---|---|
| System Format | 2-Way |
| Sensitivity (2.83v @ 1m, Free-Field) | 86dB |
| Recommended Amplifier Power (RMS into 4 Ohm, Music Signal) | 50 – 300 W |
| Continuous Power Handling (RMS into 6 Ohms, Pink Noise with 6dB Crest Factor) | 150 W |
| Nominal Impedance | 6 Ohms |
| Minimum Impedance (20Hz to 20kHz) | 4.2 Ohms @ 220 Hz |
| Drive Unit Complement | 2 x 4 1/4” (108 mm) RDT III Bass-mid Drivers1 x MPD III Tweeter |
| Frequency Response Free-Field (-6dB) | 53 - 60 kHz |
| Frequency Response, In-Room (-6dB) | 48 Hz - 60 kHz |
| Maximum Peak SPL (single speaker @1m Z-Weighted) | 113 dB |
| Bass Alignment | Ported |
| Port Tuning Frequency | 58 Hz |
| Crossover Frequency | 2400 Hz |
| External Dimensions including terminals (H x W x D) | 340 x 157 x 361 mm |
| Weight (each) | 7.6 kg |
| EAN | 5060028972067 |
| Product code | SSTUDIO89BG |