POLK AUDIO D4000.4 - Class D Four Channel High Power Car Amplifier
SUPER-EFFICIENT 4-CHANNEL MOBILE AUDIO AMPLIFIER
This is How You Build a Really Cool Amplifier
PA D4000.4 offers an ultra-compact, minimalist design with a 4-channel configuration to drive all your speakers. Toroidal transformers help keep the amplifier’s sleek aluminum extruded design under 2" tall while ensuring plenty of clean, efficient power. Low THD’s, high signal-to-noise ratios, plus wide bandwidth frequencies, make the new PA D4000.4 Amplifier your high performance choice for clean, distortion-free sound.
Efficient Amplification
PA D4000.4’s Efficient Class D design Combined with its high-speed MOSFET switching power supply runs much cooler than conventional car amplification. Plus, toroidal transformers help keep the amplifier’s sleek design under 2" tall while still ensuring plenty of clean, efficient power.
Total Control
Fine tune the PA D4000.4’s performance —Adjust front and rear channel gain to match the output voltage from your head unit; adjust crossover overlap for better blending of speakers; dial in your speaker blending with full range, high pass, or bandpass filters; and choose from stereo or 40channel playback modes.
Built to Last
With thermal, DC offset, reverse DC voltage and short circuit protection and stainless steel hardware (to protect against corrosion from humidity) t you can feel confident that Polk the Polk will drive the soundtrack of your life for miles to come.
Product highlights:
-4-channel car amplifier
-125 watts RMS x 4 at 4 ohms (200 watts RMS x 4 at 2 ohms)
-200 watts RMS x 2 in bridged mode (4-ohm stable in bridged mode)
-separate variable high-pass filters for front and rear channels (20-4000 Hz, 12 dB per octave)
-separate variable low-pass filters for front and rear channels (50-5000 Hz, 12 dB per octave)
-preamp inputs
-fuse rating: 30A x 2
-4-gauge power and ground leads recommended — wiring and hardware not included with amplifier
-11-3/4"W x 1-13/16"H x 6-3/4"D
-warranty: 1 year
