Black Sheep Audio | BSMX-85.8x | 8 channel Amplifier | Matrix Series
Black Sheep Audio | BSMX-85.8x
Matrix Series 8-Channel Class D Amplifier
Take total control of your soundstage with the Black Sheep Audio BSMX-85.8x, an 8-channel powerhouse built for audiophiles and custom system builders. Part of our flagship Matrix Series, this Class D amplifier packs crystal-clear fidelity, flexible power configuration options, and rugged durability into a sleek, efficient chassis.
Whether you are powering an intricate active multi-speaker car setup, an elaborate bus audio layout, or a heavy-duty truck build, the BSMX-85.8x delivers the ultra-clean, full-spectrum sound your setup demands.
Key Highlights
8 Channels of Clean Output: Run 8 individual channels or bridge them into 4 high-output channels (170W x 4) for ultimate routing versatility.
Ultra-Efficient Class D Topology: Massive output with minimal heat generation and current draw, keeping your electrical system efficient and rock-solid.
Pristine Audio Clarity: High signal-to-noise ratio (96dB or higher) and distortion lower than 0.05% ensure your sound stays razor-sharp and transparent, even under heavy load.
Heavy-Duty Aluminum Chassis: Built with an engineered aluminum casing optimized for rapid heat dissipation and longevity in demanding vehicle environments.
Universal Vehicle Compatibility: Runs on a standard 10–16V DC supply, making it ideal for cars, trucks, or bus audio systems.
Technical Specifications
Feature | Specification |
Amplifier Class | Class D |
RMS Power @ 4 Ohms | 65W x 8 |
RMS Power @ 2 Ohms | 85W x 8 |
Bridged Power | 170W x 4 |
Frequency Response | 10Hz – 30kHz |
Low Bass Frequency | 10Hz – 180Hz |
Signal-to-Noise Ratio (SNR) | Greater than or equal to 96dB |
Total Harmonic Distortion (THD) | Less than 0.05% |
Input Sensitivity | 600mV – 10V |
Operating Voltage | 10–16V DC |
Recommended Fuse Type | 30A x 3 |
Housing Material | Heavy-duty Aluminum |
Dimensions (L x W x H) | 375 x 185 x 55 mm (14.76 x 7.28 x 2.17 in) |
Net Weight | 3.7 kg (8.16 lbs) |


