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  1. Home
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  3. Discontinued Directed Car Audio & Electronics
  4. Discontinued Directed Car Amplifiers
  5. Discontinued Directed 5-Channel, 6-Channel & 8-Channel Amplifiers

Discontinued Directed 5-Channel, 6-Channel & 8-Channel Amplifiers

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Number of Channels
Each channel on an amplifier will power one speaker using a positive and negative cable. There are various types of amplifiers, each designed to power a certain number of speakers. Monoblock amplifiers, also known as single channel, are designed to power one or more subwoofers. These amplifiers often have very high power ratings. On the other hand, multi-channel amplifiers power multiple speakers, usually at lower power ratings. 2-Channel and 4-Channel amplifiers can power car speakers or low powered subwoofers. Occasionally you might see a 5 or 6-channel amplifier that can power speakers and subwoofers at the same time. The most common setup is a monoblock amp to run subwoofers and a 4-channel amp to run door speakers. Check out our Knowledge Base for more information.
Total Peak Power Output
The total peak power output is measured as the wattage per channel multiplied by the number of channels, and is calculated at the lowest level of operating impedance.

It is measured during a brief musical burst, such as a sudden drum accent. Some manufacturers display peak power ratings on the face of their products to increase the appeal.

The RMS power rating is more accurate, and we recommend using it for product comparison.
Remote bass/level controller
If the amp comes with a bass/gain remote you will be able to control the level of your bass from your dashboard. Typically bass remotes also include a 16-20 ft. wire for installation.
Preamp Outputs
Many amplifiers are equipped with RCA preamp outputs which pass the original music signal from the source to additional amplifiers. This is known as daisy chaining because the source connects to the first amp, and the first amp connects to the second amp, etc. The advantage to daisy chaining is you only need one 2-channel RCA cable to transfer the signal from the head-unit to the amplifier, and then one additional cable for each amp being daisy chained.
Built-in Crossover

A crossover is a type of filtering system that permits only certain frequencies to play. A Low-Pass (LP) crossover allows only frequencies below its setting to get through which is good in the case of some subwoofers. A High-Pass(HP) filter allows frequencies above its setting to pass through, this is normally used on speakers.

When a crossover is set to FULL it means no filtering is added and the full frequency spectrum is allowed through the amplifier. Filtering is important because feeding a speaker frequencies it cannot reproduce effectively creates distortion.

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Directed Audio (DEI) D2205

5-Channel Hybrid Amplifier with ESP and Class D 5th Channel for Sub(s)

D2205 big DISCONTINUED
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Directed Audio (DEI) D2205

5-Channel Hybrid Amplifier with ESP and Class D 5th Channel for Sub(s)

Directed 5-Channel Class D Car Amplifier • 80W x 4 + 280W x 1 @ 4 ohm • 125W x 4 + 400W approx. x 1 @ 2 ohm • 600W x 1 chan. @ 1 ohm • 2200W Max • MOSFET Power Supply • Switchable Line Output/Subwoofer Input

3

Directed 5-Channel Class D Car Amplifier • 80W x 4 + 280W x 1 @ 4 ohm • 125W x 4 + 400W approx. x 1 @ 2 ohm • 600W x 1 chan. @ 1 ohm • 2200W Max • MOSFET Power Supply • Switchable Line Output/Subwoofer Input

DEI - Directed Audio D2205 R/B

5-Channel Hybrid Amplifier with ESP and Class D 5th Channel for Sub(s)

D2205 big DISCONTINUED
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DEI - Directed Audio D2205 R/B

5-Channel Hybrid Amplifier with ESP and Class D 5th Channel for Sub(s)

5 Channel hybrid Amplifier • 80Wx4 + 280Wx1 @ 4 Ohm RMS • ESP Port for Bitwriter • Adjustable Crossovers and Gain • 8dB Bass Boost • 600W RMS x 1 @ 1 Subwoofer Output • LED/Fan Output

5 Channel hybrid Amplifier • 80Wx4 + 280Wx1 @ 4 Ohm RMS • ESP Port for Bitwriter • Adjustable Crossovers and Gain • 8dB Bass Boost • 600W RMS x 1 @ 1 Subwoofer Output • LED/Fan Output

 
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