The MTX WET75.4 marine amplifier is a 4-channel Class-AB developing 4x75W RMS. It is designed to amplify four speakers. It allows you to enjoy the music on your boat at a high sound level in any quality. Its UV and humidity resistance has been carefully designed to keep you enjoying it for a long time, despite humidity, salt, sun and heat.
• Resists humidity and splashing water• Compact size• Double-sided printed circuit board• Surface mounted components (SMC)• MOSFET power supply and power stages• High pass and low pass active variable x-over• Anti noise and anti parasite construction• Short-circuit protection, excessive temperature, supply voltage too high or too low• Printed circuit board treated against humidity• Protective plexiglass on the settings• Stainless steel connectors• Rubber seals on RCA
• 4-channel class-AB amplifier• CEA2006 certified RMS power: - 4x 100 Watts RMS at 2Ω THD + N ≤1% - 4x 75 Watts RMS at 4Ω THD + N ≤1% - 2x bridged 200 Watts RMS @ 4Ω THD + N ≤1%• Active filter: - Front: High pass (HPF) variable from 10Hz to 200Hz - Rear: High pass (HPF) low pass (LPF) variable from 50Hz to 750Hz• Signal / noise ratio (1W):> 78dB• THD + noise (distortion) (4Ω, 1W): ≤0.05%• Frequency response (± 1dB): 15Hz-25000Hz• RCA input sensitivity: 200mV - 5V• Dimensions: 160x310x57 mm
One or two pairs of WET65 or WET77 plugged into an MTX WET75.4 amplifier is the classic solution. It is possible to bridge two channels to feed a subwoofer (TM1004 or TM1204) and make a triphonic system with a pair of WET65 or WET77.
The power of the amplifier should not exceed the power of the speakers. You have to compare RMS powers with RMS powers. Amplifiers should not be exposed to moisture, excessive vibration, or high temperatures.
MTX wants you to enjoy your hearing for a long time. Excessive exposure to loud volumes can damage your hearing. The United States Department of Labor recommends not exceeding the following recommendations:90db : maximum 8 hours / day92dB : maximum 6 hours / day95db : maximum 4 hours / day97db : maximum 3 hours / day100db : maximum 2 hours / day102db : maximum 90 minutes / day105db : maximum 60 minutes / day110db : maximum 30 minutes / day115db : maximum less than 15 minutes / day120db : immediate danger, 0 minutes / day
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