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This bridgeable Polk Audio PA D4000.4 amplifier features toroidal transformers to promote clean, efficient power while maintaining a compact design. The nickel-plated wire terminals and RCA connectors promote efficient signal transfer.
Geek Squad® installation
is strongly recommended for this product. Please visit your local Best Buy store for details.
Handles up to 400W RMS per channel bridged @ 4 ohms (14.4V)
For robust output; also handles up to 200W RMS per channel unbridged @ 2 ohms, 1kHz and up to 125W RMS per channel @ 4 ohms, 1kHz.
Full-range, high-pass and band-pass filter selections
With adjustable low- and high-pass frequency controls allow flexible operation for optimal speaker blending.
2 ohms minimum impedance (4 ohms minimum bridged)
For efficient power conduction.
Thermal, DC offset, reverse DC voltage and short-circuit protection
Help ensure safe use.
Front and rear gain level controls
Along with a channel mode switch enable precise operation.
Number of Channels: 4
Amplifier Class and Type: Class D
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Phillis and her team were so prompt (email replies within hours) professional, and most importantly I received exactly what I ordered, exactly when they said I would.....with a personalized note inside my package from Phillis. LOVELY TOUCH!View
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