Description
DS18 X4BT
The X4BT is a powerful car audio amplifier engineered to deliver superior sound quality and high-output performance for your vehicle’s audio system. Designed with advanced circuitry, it provides consistent and distortion-free power to your speakers, enhancing bass depth, midrange clarity, and overall audio fidelity. Compact yet durable, the X4BT is easy to install in most car setups and comes with built-in protections against overheating, short circuits, and voltage fluctuations. Whether you’re upgrading your car stereo or building a high-performance audio system, the X4BT ensures reliable, long-lasting performance and an immersive listening experience.
Specifications
| Specification | Details |
|---|---|
| Total Watts (Peak) | 1320 W |
| RMS Power @ 4 Ω | 4 × 70 W |
| RMS Power @ 2 Ω | 4 × 140 W |
| RMS Power @ 4 Ω Bridge | 2 × 220 W |
Audio
| Specification | Details |
|---|---|
| Frequency Response | 20 Hz – 20 kHz |
| Signal to Noise Ratio | 90 dB |
| Efficiency @ 4 Ω | 80% |
| Damping Factor | 200 |
| Total Harmonic Distortion (THD) | 0.20% |
| Low Level Input Range | 0.2 – 5 V |
| Selectable X-Over | LPF / FLAT / HPF |
| X-Over Filter Range | Fixed 80 Hz |
Features
| Feature | Details |
|---|---|
| Amplifier Class | Digital (D) |
| Amplifier Type | Stereo Full Range |
| Number of Channels | 4 |
| Minimum Impedance | 2 Ω Stereo / 4 Ω Bridge |
| LED Indicator | Power / Protect |
| Power Input Terminal Size | 8 GA |
| Fuse Size | 25 A |
| 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 | Yes |
| Stable / Reliable Four Layers PCB with SMC Technology | Yes |
| 2 or 4 Channel Input Selector | Yes |
| Quality Control Verification | Yes, using Audio Precision Instruments |
| Audio Input with Automatic Switching BT / RCA | Yes |
Bluetooth Specifications
| Specification | Details |
|---|---|
| Version | 5.1 |
| Services | A2DP 1.3.1 |
| Bluetooth Name | DS18 X4BT |
| Range | Up to 60 ft / 18 m |
| Supported Devices | iOS / Android |
| Audio Codec | SBC / AAC |
Measurements
| Dimension | Size |
|---|---|
| Overall Length | 5.54″ / 140.8 mm |
| Overall Width | 3.24″ / 82.4 mm |
| Overall Height | 1.37″ / 34.8 mm |
| Heatsink Length | 4.75″ / 120 mm |
Product Overview
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.
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