Unleash the full potential of your hi-fi setup with the Musical Fidelity M5si Integrated Amplifier, a powerhouse designed for audiophiles who demand exceptional sound quality and versatility. Delivering 150 watts per channel with high current output, this amplifier effortlessly drives virtually any loudspeaker, making it the perfect centrepiece for your home stereo system. Inspired by Musical Fidelity’s legendary Nu-Vista 800, the Musical Fidelity M5si Integrated Amplifier offers a sweet, lucid sound with a deep, wide soundstage that brings your music to life with stunning clarity.

The Musical Fidelity M5si Integrated Amplifier is a true high-end performer, blending robust power with refined audio engineering. Its internal dual-mono configuration—featuring two independent monoblocs and a separate preamp on a single PCB—ensures outstanding channel separation and technical performance comparable to the acclaimed M6si.

With a frequency response of +0, –0.1dB from 10Hz to 20kHz, distortion below 0.010%, and a signal-to-noise ratio exceeding 100dB, the M5si delivers a crystalline top end, extended bass, and a noise-free listening experience. It offers a wide range of inputs, including an MM phono stage, 4x RCA line inputs, and a USB-B input supporting up to 24-bit/96kHz, making it a versatile hub for your hi-fi audio system.

Drawing inspiration from the Nu-Vista 800, the M5si incorporates subtle PCB layout solutions that enhance its sound quality, resulting in a deep, wide stereo image without a trace of harshness. Learn more about it here.

For hi-fi enthusiasts, the Musical Fidelity M5si Integrated Amplifier is a gateway to exceptional audio performance. Its 150 watts per channel ensures unconditional stability, allowing it to drive even the most demanding loudspeakers with ease, making it a perfect match for any good sound system.

The built-in MM phono stage lets you connect your turntable directly, delivering rich, detailed vinyl playback with RIAA/IEC accuracy within ±0.5dB. Whether you’re streaming digital audio via USB, spinning records, or playing from a CD player, the M5si produces a sweet, clear sound with a spacious soundstage that immerses you in every track. Its preamp output and trigger options add flexibility, allowing you to expand your setup with additional components.

With the M5si, you’ll experience music as it was meant to be heard—full of depth, clarity, and warmth.

Technical Specifications

• Power Output: 150 watts per channel into 8 ohms
• Total Harmonic Distortion (THD): <0.010% (20Hz–20kHz)
• Signal-to-Noise Ratio: >100dB (‘A’-weighted)
• Frequency Response: +0, –0.1dB (10Hz–20kHz)
• Inputs: 4x RCA line level, 1x MM phono (3mV nominal, 50k ohms impedance), 1x USB-B (up to 24-bit/96kHz), 1x trigger in
• Outputs: 1x RCA fixed line level, 1x RCA variable preamp, 1x trigger out
• Phono Stage: >70dB signal-to-noise ratio (‘A’-weighted), RIAA/IEC ±0.5dB (20Hz–20kHz)
• Dimensions: 440 mm (W) x 100 mm (H) x 405 mm (D)
• Weight: 14.6 kg (unpacked)

Shop the Musical Fidelity M5si Integrated Amplifier at Len Wallis Audio to elevate your hi-fi setup. Explore more amplifiers in our curated collection here or visit our Lane Cove showroom to experience its performance firsthand. Our team can help you integrate this amplifier into your system for optimal results.

Len Wallis Audio Excellence Promise

Since 1978, Len Wallis Audio has been a trusted name in hi-fi, curating top-tier audio and visual solutions for enthusiasts across Australia. From our Lane Cove showroom in Sydney, we’ve spent over four decades selecting products like the Musical Fidelity M5si Integrated Amplifier that deliver lasting performance and exceptional quality.

We focus on quality and innovation, ensuring every item in our collection meets the needs of audio enthusiasts. Whether you’re building a new system or upgrading your existing setup, our team is here to help you find the perfect match to your components, preferences, and listening habits.

With expert advice and a commitment to customer satisfaction, we make your audio journey straightforward and rewarding.

Ready to enhance your listening setup with the Musical Fidelity M5si Integrated Amplifier?

Call (02) 9427 6755
Email Sales@lenwallisaudio.com.au
Or visit us at 64 Burns Bay Road, Lane Cove, NSW, 2066