DS18 Audio NXL 4-Channel Full-Range Class D Waterproof IP67 Marine & Powersports Nano Amplifier with Built-In Bluetooth 5.1 Receiver
Ultra-Compact Waterproof 4-Channel Full-Range Amplifier with Bluetooth 5.1 Receiver Built-In
The NXL-N4BT takes a high-powered DS18 amplifier and integrates Bluetooth 5.1 streaming for full-range audio performance and wireless control in a sealed, IPX67-rated chassis.
4 Channel Power
With up to 1800W Peak, 4 x 100W RMS @ 4Ω, and 4x150W RMS @ 2Ω: this amplifier pushes full-range audio across your mids and highs leaving the perfect amount of headroom. Bridge to 2x300W RMS @ 4Ω for more flexibility in custom setups.
Seamless Bluetooth Streaming
Bluetooth 5.1 lets you stream directly from your phone or device with zero signal loss. With support for SBC/AAC codecs, 24-bit/48kHz audio, and A2DP 1.3.1, this amp delivers clean signal and rich fidelity wirelessly.
DSP-Level Control with Selectable Crossover
Fine-tune your output with built-in HPF, LPF, or Full range crossover settings, adjustable between 40–500Hz. Power components, coaxials, or a small sub with an amp that adapts to your system.
Marine Tough
Only 7.87” long and under 1.6” tall, the NXL-N4BT fits in gloveboxes, under seats, side panels: anywhere space is tight. And with thermal, overload, short circuit, and voltage protection built-in, you’ll stay powered safely on any terrain.
Features
- Built-In Bluetooth Receiver – Stream your favorite music wirelessly straight from your smartphone
- Ultra-Compact Size for Easy Installation
- Fully Aluminum Chassis Design
- IP67 Waterproof Rating
- Latest Full-Range Digital Design Based on IR Platform
Specs
General
- SKU: NXL-N4BT
- Total Watts (Peak): 1800W
- RMS Power @ 4Ω: 4 × 100W
- RMS Power @ 2Ω: 4 × 150W
- RMS Power @ 4Ω Bridge: 2 × 300W
Audio
- Frequency Response: 20Hz–20KHz
- Signal to Noise Ratio (1W @ 4Ω): 90dB
- Total Harmonic Distortion (THD): 0.1%
- Low Level Input Range: 200mV–5V
- Selectable X-Over: HPF / LPF / FULL
- X-Over Filter Range: 40–500Hz
- Bass Boost: No
- Infrasonic Filter: No
Bluetooth
- Bluetooth Name: DS18 NXL-N4BT
- Version: 5.1
- Services: Audio Stream
- Audio Protocols: A2DP 1.3.1
- Audio Codec Supported: SBC / AAC
- Sample Rate: 48 kHz
- Bitrate: SBC 328 kbps / AAC 576 kbps
- Bit Depth: 24 bits
- Frequency Range: 20Hz–20kHz
Features
- Amplifier Class: Digital
- Amplifier Type: Stereo Full Range
- Number of Channels: 1
- Minimum Impedance: 2 Ohms (Stereo) / 4 Ohms (Bridge)
- LED Indicator: Power / Protection
- Power Input Size: Wired 8Ga OFC
- Fuse Size: 25A
- Thermal Protection: Yes
- Overload Protection: Yes
- Waterproof Rating: IP67
Measurements
- Overall Length: 7.87" / 200mm
- Overall Width: 3.67" / 93.4mm
- Overall Height: 1.56" / 39.8mm
- Heatsink Length: 7.16" / 182mm
- Gross Single Unit Weight: 2.8 lb / 1.3 kg
DS18 Audio (About)
DS18 is a leading electronics manufacturer that focuses on professional audio equipment for all vehicles. Our products are designed and engineered in the USA: and, we have access to multiple factories in Korea, Brazil, and China, with select items assembled here in the USA. We are headquartered in Miami, FL, and are one of the fastest-growing companies in the area. Our company creates more than 200 unique pieces of professional-grade audio equipment every year. These products are distributed both nationally and internationally, with international distribution channels reaching more than 89 countries. Our consistency and dedication to our craft have netted us revenue growth levels of 300 percent over the last 3 years. We specialize in the professional development of speakers, receivers, amplifiers, components, and a plethora of other products for car audio and home audio systems.