Matrix Audio MD-1 Music Streamer Integrated Amplifier
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Product Overview & Specifications
The Matrix Audio MD-1 and MD-1P are all-in-one streaming integrated amplifiers from the flagship Reference M Series, combining an audiophile digital music streamer, an AKM VelvetSound DAC stage, and ultra-low-distortion Class-D power amplification in a single chassis. Delivering 2x 150W RMS @ 8 Ω (MD-1) or 2x 300W RMS @ 8 Ω (MD-1P), both models drive demanding loudspeaker loads with ease. The higher-tier MD-1P expands connectivity further with two pairs of gold-plated pure copper speaker terminals (enabling A/B remote switching) and dual subwoofer pre-outputs for larger listening environments.
Powered by an AK4499EX/AK4191EQ VelvetSound D/A chip, dual custom femtosecond clocks, and an FPGA jitter-reduction pipeline, the MD-1 series offers comprehensive digital and analog connectivity—including HDMI eARC, USB, optical, coaxial, XLR balanced line-in (with Home Theater Bypass mode), and a built-in MM phono stage. On-board network capabilities include Gigabit Ethernet, Wi-Fi 6, Roon Ready, AirPlay 2, and TIDAL Connect. Additionally, an internal NVMe SSD slot with an isolated low-noise power supply allows the unit to double as a network-attached storage (NAS) music server or rip CDs directly when connected to an external USB optical drive.
KEY FEATURES & SYSTEM ARCHITECTURE
- High-Power Class-D Amplification: Produces 2x 150W RMS @ 8 Ω (MD-1) or 2x 300W RMS @ 8 Ω (MD-1P) with advanced PWM processing for minimal audio distortion and high energy efficiency.
- Mastering-Grade Digital Engine: Features an AKM VelvetSound D/A conversion architecture managed by dual custom femtosecond clocks and high-speed FPGA jitter reduction algorithms.
- 256-Step Digital-Analog Preamp Volume: High-precision digitally controlled analog volume system with 0.5dB step resolution (-80dB to +12dB) and 12-step channel balance adjustment for precise phase alignment.
- Integrated MM Phono Stage & Home Theater Bypass: Includes a low-noise RIAA moving magnet phono stage as well as switchable line-in bypass mode for integration into multi-channel AV setups.
- Expandable NVMe Storage & CD Ripping: M.2 NVMe SSD expansion slot with an ultra-low-noise power supply supports local storage, SMB network sharing, NAS functionality, and USB CD drive ripping via the MA Remote App.
- Extensive Wireless & Streaming Ecosystem: Supports Roon Ready, TIDAL Connect, Spotify Connect, AirPlay 2, DLNA/UPnP, Wi-Fi 6, Gigabit LAN, and Bluetooth 5.0 with aptX HD and LDAC.
- Dual Speaker Terminals & Sub Outputs (MD-1P Only): Features two sets of pure copper terminals with IR remote A/B switching and dual 150Hz cutoff subwoofer outputs.
SPECIFICATIONS
| Product Category | Streaming Integrated Amplifier | Streaming Integrated Amplifier (High Output) |
| Continuous Output Power | 2x 150 W RMS @ 8 Ω | 2x 300 W RMS @ 8 Ω |
| Speaker Terminals & Switching | 1 Pair Gold-Plated Pure Copper Terminals | 2 Pairs Gold-Plated Terminals (A/B Remote Switching) |
| Speaker Impedance Compatibility | 2 – 16 Ω | Single Pair: 2 – 16 Ω | Dual Pair (A+B): 4 – 16 Ω |
| DAC Architecture & Clocks | AKM VelvetSound D/A System | Dual Custom Femtosecond Clocks + FPGA | |
| Preamplifier Volume System | 256-Step Digitally Controlled Analog System (-80 dB to +12 dB in 0.5 dB steps) | |
| Analog Inputs | 1x Stereo Balanced XLR, 1x Stereo Single-Ended RCA, 1x MM Phono (47kΩ / 100pF, +40dB Gain) | |
| Digital Inputs | 1x USB Audio (Type-B), 1x HDMI eARC, 2x Optical Toslink, 2x Coaxial S/PDIF | |
| Maximum Digital Sample Rates | USB: PCM 32-bit/768kHz, Native DSD512 | S/PDIF & HDMI: PCM 24-bit/192kHz, DSD64 (DoP) | |
| Pre-Out & Subwoofer Outputs | 1x Stereo RCA Pre-Out (0–2.2Vrms), 1x Sub Out (<150Hz Cutoff) | 1x Stereo RCA Pre-Out (0–2.2Vrms), 2x Sub Out (<150Hz Cutoff) |
| Internal Storage Extension | M.2 NVMe PCIe 3.0/4.0/5.0 SSD Slot (Formats: M.2 2280/2242/2230, Max 3.3V/3A) | |
| Network & Streaming Protocols | Gigabit Ethernet (10/100/1000M), Dual-Band Wi-Fi 6, Roon Ready, AirPlay 2, TIDAL/Spotify Connect, UPnP | |
| High-Res Bluetooth Codecs | Bluetooth 5.0 (Supports LDAC, aptX HD, aptX, AAC, SBC up to 24-bit/96kHz) | |
| Signal-to-Noise Ratio / Crosstalk | SNR: 122 dB (A-weighted) | Crosstalk: -120 dB | |
| System Trigger & Control | 1x Trigger In (DC 6-12V), 1x Trigger Out (DC 12V/50mA), MA Remote App | |
| Power Consumption | Standby: <5W | Idle: <35W | Max: <700W | Standby: <5W | Idle: <45W | Max: <1250W |
| Dimensions (W x D x H) | 430 x 331 x 96 mm (16.93 x 13.03 x 3.78 in) | 430 x 331 x 96 mm (16.93 x 13.03 x 3.78 in) |
| Net Weight | 7.0 kg (15.4 lbs) | 7.6 kg (16.7 lbs) |
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Matrix Audio MD-1 Music Streamer Integrated Amplifier
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