DS18 NXL-M4 4-Channel Full-Range Class D IPX5 Marine Amplifier

Specifications: 

• Total Watts (Peak): 1800W
• RMS Power @ 4 ohm: 4 x 150W
• RMS Power @ 2 ohm: 4 x 230W
• RMS Power @ 4 ohm Bridge: 2 x 440W
• Frequency Response: 20Hz - 20KHz
• Signal to Noise Ratio 1W @ 4Ω: >90dB
• Efficiency @ 4 ohm: >97%
• Channel Separation: >55dB
• Total Harmonic Distortion (THD): <0.15%
• Low Level Input Range: 0.2V-6V
• High Level Input: Yes: >5V
• Selectable X-Over: HPF/LPF/FULL
• X-Over Filter Range: 40Hz - 2KHz
• Bass Boost Range: 0-12dB
• Bass Boost Frequency: 45Hz +- 5Hz
• Phase Selector: No

Features: 

• Amplifier Class: Digital (D)
• Amplifier Type: Stereo Full Range
• Number of Channels: 4 Channels
• Minimum Impedance: 2 ohm (Stereo) / 4 ohm (Bridge)
• Led Indicator: Clipping / Protect / Power
• Power Input Terminal Size: 4 Ga
• Fuse Size: 70A (2x35A)
• Thermal Protection: Yes
• Over-Load Protection: Yes
• Short Circuit Output Protection: Yes
• Voltage Input Protection: Yes
• Body Color | Finish: Gray+White / Aluminum+ABS
• DC Output Protection: Yes
• Clipping Protection: Yes
• Water Resistant Rated: Yes, IPX5 (Water Splashing)
• PCB Layout Design: 4 Layers / Coated
• RCA Output: Yes, 2 CH (Left / Right)
• UV Compliant: Yes, UV Protected and PCB Coated
• Input Sum Selector: Yes, 2Ch or 4Ch Input Mode
• Tiffany Style RCA: Yes
• High Level Input: Yes, 4ch Speaker level
• Stainless Steel Hardware: Yes, (Screws)
• Potenciometers: High Quality Metal Knob
• Remote Level Control: No

Measurements: 

• Overall Length: 9.6" (245 mm)
• Overall Wide: 4.5" (116 mm)
• Overall Height: 1.7" (43 mm)
• Heatsink Length: 8.6" (220 mm)
• Gross Single Unit Weight: 1.45kg
• Product Weight: 3.6 lbs
• Product Dimensions: 11.5" x 6.25" x 2.25"