sony xm604m marine 4 3-channel amplifier
building a competent marine entertainment system has never been easier especially with sony s xm-604m 4 3 channel marine amplifier at the core . designed to resist the rigors of salt water and sunshine this amp features multiple channel configurations and single-side electrical connections to suit almost any application . designed to resist the rigors of salt water and sunshine . click here for a larger image view a dimensional diagram units in inches . click here for a larger image marine ready the xm-604m is made to endure everything the marine environment will throw at it . conformal circuit board coating protects the internal electronics . uv-resistant paint and anti-rust paint on front panel and bottom plate keep it protected from the sun s rays and oxidation . gold-plated screws terminals and connections all resist corrosion . high - and low-level inputs the xm-604m features both rca pin jacks for low level inputs or you can make a direct connection with the speaker output e.g. a high-level input connection of your marine audio unit if it is not equipped with the line output . input level is also adjustable so you can match your receiver s output perfectly for minimal distortion . low - and high-pass filters this amplifier features a built-in low-pass filter with an 18 db octave slope and a high-pass filter with 12 db octave slope both at 80hz . pulse power supply this unit has a built-in power regulator which converts the power supplied by the 12v dc marine battery into high-speed pulses using a semiconductor switch . these pulses are stepped up by the built-in pulse transformer and separated into both positive and negative power supplies before being converted into direct current again . this is to regulate fluctuating voltage from the marine battery . this light weight power supply system provides a highly efficient power supply with a low impedance output . protection circuitry protect both your vehicle s electronics and this amplifier with built-in protection circuitry for thermal overload direct current and short circuiting . the unit will shut down after indicating the issue with a red led . xm-604m select specifications power rating 4 speakers 110 w x 4 at 4 ohms 3 speakers 150 w x 2 at 2 ohms 300 w x 1 btl at 4 ohms t.h.d .005 or less s n ratio 97db power supply voltage 10.5 - 16v frequency response 5 hz - 50 khz input level 0.3 - 6.0 v rca input 2.8 - 12.0 v high level input low pass filter 80 hz -18 db octave high pass filter 80 hz -12 db octave dimensions 15-7 8 x 2-1 4 x 10-1 2 inches w x h x d weight 7 lbs . 1 oz . what s in the box sony xm604m marine 4 3 channel amplifier high-level input cable mounting hardware protection cap documentation