DS18 X4BT

4-Channel Class D Full-Range Amplifier with Bluetooth 5.1 Streaming

DS18’s X4BT is an all-in-one 4-channel powerhouse for small systems delivering Bluetooth streaming, clean RMS output, and remote level control: all in a durable compact chassis.

Bluetooth Built-In
Like the X2BT, this amp features Bluetooth 5.1 wireless streaming, allowing you to ditch the head unit and control your music directly from your phone.

Multi-Channel Power
The X4BT has enough juice to power a full front/rear setup, or bridge channels for more output to components or compact subs.

4 x 70W RMS @ 4Ω
4 x 140W RMS @ 2Ω
2 x 220W RMS @ 4Ω (Bridged)

Perfect for motorcycles & powersports
Its water-resistant, high-efficiency Class D design and tight footprint make it ideal for road, trail, or marine use.

Go full wireless with DS18’s X4BT: your compact solution for big system sound.

• Bluetooth 5.1 Streaming Built-In – Play music wirelessly straight from your phone
• 4-Channel Class D Power – 4×70W RMS @ 4Ω, 4×140W RMS @ 2Ω, or 2×220W bridged
• Compact, High-Efficiency Design – Big output in a small, low-heat chassis
• Full Protection Circuitry – Thermal, overload, short-circuit, DC, and voltage protection
• Motorcycle & Powersports Ready – Water-resistant build for bikes, ATVs, UTVs, and marine