The Wet Sounds HTM-1 is a genuine full-range Class-D monoblock marine amplifier built for extreme on-water, off-road and outdoor audio installs. With an IPX5-rated chassis and compact footprint, it delivers serious power for subwoofer or full-range applications where space and durability matter.

• Amplifier type: Full-range Class-D monoblock
• RMS power output: 500W x 1 @ 4 Ohm / 800W x 1 @ 2 Ohm / 1200W x 1 @ 1 Ohm
• Selectable crossover modes: Full / HP / LP
• Adjustable crossover range: 50 Hz – 500 Hz
• Subsonic filter: 10 Hz – 55 Hz
• Frequency response (-3 dB): 20 Hz – 20 kHz
• Signal-to-noise ratio (A-weighted): 105 dB
• Input sensitivity: 350 mVrms – 6 Vrms
• Ingress protection: IPX5
• Install-friendly design: removable power & speaker connectors, blue LED back-lit badge, reduced-height chassis with flexible mounting orientation
• Approx. dimensions (L x W x H): 9.62 in x 5.80 in x 2.35 in

OEM reference: HTM-1 (UPC: 810042177826). Before ordering, confirm final speaker/subwoofer impedance, power requirements, and installation fitment for your specific system.