M3si Stream vs Arcam A15+
The A15+'s power @ 8ω is 80W against the M3si Stream's 85W, its max sample rate 192 kHz against 96 kHz, and its power @ 4ω 120W against 150W. Both share bit depth (24-bit).
AI-generated product photo — not official manufacturer imagery.
AmplifiersIntegrated Amplifiers
Estimated price (community-sourced)
$900 - $1,699
Around — community and catalog average, updates slowly
About the M3si Stream
The Musical Fidelity M3si Stream is a high-end Class A/B integrated amplifier paired with a separate WiiM Mini streamer for modern streaming capabilities. It produces effortless, clear, and sweet sound with wide and deep imaging, excellent dynamic range, and unconditional stability to drive a wide variety of loudspeakers. Featuring phono (MM), line inputs, USB, and preamp outputs, it embodies Musical Fidelity's values of uncolored, stress-free sound and outstanding technical performance at a competitive price point. The separate streaming module minimizes RF interference while supporting numerous contemporary streaming services via an intuitive app.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 85W @ 8Ω
- Power @ 4Ω
- 150W @ 4Ω
- Amplifier Class
- AB
- Input Sensitivity
- 0.0V RMS
- Input Impedance
- 50000Ω
Analog Output
Analog signal output specifications
- THD
- 0.014%
- SNR
- 98 dB
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Digital Inputs
- USB
- Analog Inputs
- RCA
- Analog Outputs
- RCA
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 440 × 100 × 400 mm (W × H × D)
- Weight
- 9.2 kg (20 lbs)
Key Specifications
Power: 85W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions