Black Sheep Audio | BSM-100.4 | 4ch Mini Series Amplifer
Black Sheep Audio BSM-100.4 Class AB Multi-Channel Amplifier
Unleash pristine multi-channel performance with the Black Sheep Audio BSM-100.4—engineered to drive complex component systems and full-range setups with absolute authority and crystal-clear acoustic precision. Whether you are outfitting a daily cruiser, a heavy-duty truck, or a custom build, this versatile Class AB powerhouse delivers rich, dynamic sound across the entire frequency spectrum.
Uncompromising Performance
Class AB Topology: Advanced multi-channel architecture designed for superior sonic purity and clean signal reproduction across your entire stage.
Versatile Power Delivery: Pumps out a robust 100W x 4 channels at 4 Ohm, steps up to 150W x 4 channels at 2 Ohm, and pushes a massive 320W x 2 channels bridged at 4 Ohm for flexible system configurations.
Full-Range Precision: Tuned with a wide frequency response of 10Hz to 20kHz to capture every subtle detail from deep midbass to crystal-clear highs.
Dedicated Bass Control: Outfitted with an adjustable low bass frequency range of 10Hz to 180Hz to dial in your sub stage perfectly.
Pristine Signal Integrity: Boasts an ultra-clean signal-to-noise ratio of greater than or equal to 96dB and total harmonic distortion under <0.05%.
Built for the Grind
Wide Voltage Range: Operates stably on 10 to 16VDC electrical systems.
High-Mass Aluminum Chassis: Housed in a rugged, compact aluminum frame measuring 235 x 100 x 45 mm and weighing just 1.7 kg, built to handle demanding installs without thermal compromise.
Protected and Ready: Equipped with dual 40A fuses and a flexible 0.5V to 6V input sensitivity range for seamless integration with any head unit.
Technical Specifications
Amplifier Type: Class AB Car Amplifier
RMS Power at 4 Ohm: 100W x 4 Channels
RMS Power at 2 Ohm: 150W x 4 Channels
Bridged Power at 4 Ohm: 320W x 2 Channels
Frequency Response: 10Hz to 20kHz
Signal-to-Noise Ratio: Greater than or equal to 96dB
Input Sensitivity: 0.5V to 6V
Total Harmonic Distortion (T.H.D): <0.05%
Input Impedance: 20 kOhm
Low Bass Frequency Range: 10Hz to 180Hz
Supply Voltage: 10 to 16VDC
Recommended Fuse Type: 40A x 2
Housing Material: Aluminum
Application: Car amplifier for car, bus, or truck audio systems
Weight: 1.7 kg
Product Dimensions: 235 x 100 x 45 mm


