The ACV MC-4.100BD is a powerful, versatile, and yet super-compact digital amplifier with Bluetooth. This 4-channel SIGNUM series amplifier combines high efficiency and advanced technology, delivering rich sound even in confined spaces.

Its key advantage is its ultra-compact size, which fits easily under a seat or next to the dashboard, freeing up space for other devices or accessories. Thanks to built-in Bluetooth 5.1, you can connect any Bluetooth-enabled device without the hassle of wires and instantly play your favorite music.

The amplifier operates at 2 and 4 ohms and delivers up to 100 watts per channel at 4 Ohm—more than enough for high-quality sound. State-of-the-art circuit design and a multi-level protection system ensure stable operation and longevity. Low-pass and high-pass filters are also included for precise frequency adjustment, and the ability to switch between 2- and 4-channel operation allows you to easily adapt the system to your needs. The MC-4.100BD amplifier is the ideal solution for those who value quality, space savings, and modern technology.

Device Features:

• Digital amplifier (Class D)
• Ultra-compact enclosure
• Stable operation at 4 ohm and 2-ohm loads
• Cutting-edge high-efficiency circuit design
• Dual-layer FR-4 printed circuit board
• Multi-level protection system
• SMD surface mount technology
• Built-in Bluetooth V5.1 (MC-4.100BD)
• Extended filters up to 8 kHz (MC-2.90D, MC-4.90D, MC-4.100BD)
• High-level inputs (MC-2.90D, MC-1.50D)
• High-level operation via adapter connectors (MC-4.100BD, MC-4.90D)

4 channel amplifier
4 channel amplifier allows you to drive many speakers and even a subwoofer.

Stable operation under 2 Ohm
Stable operation under 2 Ohm load lets your amplifier work continuosly at high loads and with high performance.

Class D
Class D in accordance with the latest technological solutions will allow you to obtain the highest quality sound from any acoustic systems.

Built-in Bluetooth version V5.1 / Wireless Audio Streaming A2DP
Allows you to use a mobile device (smartphone, tablet, etc.) via Bluetooth as an audio source to play music wirelessly. Bluetooth function simplifies connection and gives more comfort during operation.

Ultra-compact
Ultra-compact sizes of the device 175x82.4x38 mm (LхWхH) gives opportunity to save space in your car significantly.

Specifications

Features of the model

• Stable work at load: 2 and 4 ohms
• Bluetooth: V5.1
• Frequency range: 10Hz ~ 50KHz
• Input mode switch: 2 channel / 4 channel

Parameters

• Rated power 4 Ohm: STEREO 100W x 4, bridged (MONO): 300W x 2
• Rated power 2 Ohm: STEREO 150W x 4
• Sensitivity: 200mV
• Signal to noise ratio:> 100dB
• Harmonic Distortion: (THD) @ 1 kHz (4 Ohm) 0.05%

Channel separation

• Channel separation:> 66dB
• Low pass filter: 30 Hz ~ 300 Hz
• High pass filter: 30 Hz ~ 8 kHz
• Number of channels: 4/3/2

General details

• Dimensions: 175x82.4x38 mm

Power supply

• Working voltage: 12V - 16V DC

Support