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.
Key Features
- 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
Technical Data - Manual
DOWNLOAD THE USER MANUAL
Power
Total Watts (Peak)
1320W
RMS Power @ 4 ohm
4 x 70W
RMS Power @ 2 ohm
4 x 140W
RMS Power @ 4 ohm Bridge
2 x 220W
Audio
Frequency Response
20Hz-20KHz
Signal to Noise Ratio
90dB
Efficiency @ 4ohm
80%
Damping Factor
200
Total Harmonic Distortion (THD)
0.20%
Low Level Input Range
0.2-5V
Selectable X-Over
LPF / FLAT / HPF
X-Over Filter Range
Fixed 80Hz
Features
Amplifier Class
Digital (D)
Amplifier Type
Stereo Full Range
Number of Channels
4
Minimum Impedance
2 Ohm Stereo / 4 Ohm Bridge
Led Indicator
Power / Protect
Power Input Terminal Size
8Ga
Fuse Size
25A
Thermal Protection
Yes
Over-Load Protection
Yes
DC Output Protection
Yes
Short Circuit Output Protection
Yes
Voltage Input Protection
Yes
Body Color / Finish
Brushed Black Aluminum
Ultra Compact Size to easy Installation for Any Applications
Yes
Stable / Reliable Four Layers Traces PCB Design with SMC technology
Yes
2 or 4 channel input selector
Yes
Quality Control Verification using Audio Precision Instruments
Yes
Audio input with automatic switching BT or RCA
Yes
