POLK AUDIO PA330

Ενισχυτής PA 330. 2 channel amplifier / 75W x 2

This amp proves that small is big. Stereo, bridge-mono, or simultaneous stereo/mono operation provide total setup versatility. The PA330 is an ideal amplifier for driving coaxial or component speakers, and it can also be bridged for subwoofer operation.
Pure Performance

75 Watts x 2 (2 Ohm) continuous power, 100 x 2 (2 Ohm) dynamic power, or 200 x 1 (4 Ohm) continuous power. CEA-2006 Compliant specifications for true, accurate power ratings.
2 Ohm stable stereo operation is capable of driving virtually all automotive speakers.
High-speed MOSFET switching power supply and high current bipolar output transistors pump maximum voltage and high current to your speakers or subwoofers.
Double layer fiberglass epoxy printed circuit boards for more rigidity, less shrinkage and a smaller overall amp footprint.
6-Way Smart System Protection (SSP) circuits
Beautiful Functionality

Selectable 12 dB/octave high or low-pass crossover with fixed crossover frequency.
Switchable 3-position bass boost (0dB, 6dB, 12dB) for extra bass thump.
Variable input gain optimizes match with different signal sources (175mv to 8V).
RCA outputs for easy daisy chaining of other amplifiers.
Mounting hardware with rubber isolation grommets and extra fuse included.
Light bar/fan output-connect an optional LED light bar or cooling fan for custom installations.
Multi-color status LED gives instant information on amplifier operation.
PA Series Features

They handle power without blowing their cool

High-speed MOSFET switching power supply offer fast response and high efficiency, plus generate very little heat. High current Bipolar Output Transistors pump maximum voltage and high current to your speakers or subwoofers.

Yes, circuit board design is important. Very important.

Double Layer Fiberglass Epoxy Printed Circuit Boards for more rigidity and less shrinkage, with plated through-holes instead of jumpers, for twice the amount of component contact area. Efficient layout packs more circuitry, with tighter component tolerances, into a smaller circuit board for a smaller overall amp footprint.

Let's talk about protection

This much power has to be kept under "lock and key," protected, and cut loose only under the right kind of supervision. So PA Amps have comprehensive, cover-your-butt 6-Way Smart System Protection (SSP) Circuits. Every amp includes Power and Ground-Reversal Protection, Thermal and Short Protection, Current Overdraw and Low Impedance Protection circuits with Auto-Standby Mode. It's all about safety, reliability and durability.

Built like a brick outhouse, but with anodized extruded-aluminum

PA Amps are armored with anodized, extruded brushed-aluminum covers and bullet-proof end caps that also act as thermal sinks to provide maximum heat dissipation. The end caps also hide connectors for a clean, minimalist look. Even the logo is solid aluminum, and the model panel is back lit in cobalt blue.

In polite circles it's called functionality, but it's really about kick-butt performance

Selectable 12 dB/octave high or low-pass crossover with fixed crossover frequency; can be defeated for full range (flat) operation. Monoblocks feature an adjustable 12 dB/octave low-pass crossover (30-250 Hz). All PA amps give you a switchable 8 dB bass boost at 40Hz for some extra bad boy thumping.

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