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Alphasonik PMA4150A

920W RMS, Class A/B 4-Channel Amplifier

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4-Channel Class A/B Bipolar Power Amplifier • 150W x 4 chan. @ 4 Ohm • 240W x 4 chan. @ 2 Ohm • 460W x 2 chan. @ 4 Ohm • Bridgeable • Remote bass boost control

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This item has been discontinued

NVX - Worth the Envy - Direct to Consumer Car Audio

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Product Highlights


4-Channel Class A/B Bipolar Power Amplifier • 150W x 4 chan. @ 4 Ohm • 240W x 4 chan. @ 2 Ohm • 460W x 2 chan. @ 4 Ohm • Bridgeable • Remote bass boost control

Description


  • 4-Channel Class A/B Bipolar Power Amplifier
  • RMS Power Rating: 150 watts x 4 chan. at 4 Ohm Stereo
  • RMS Power Rating: 240 watts x 4 chan. at 2 Ohm Stereo
  • RMS Power Rating: 460 watts x 2 chan. at 4 Ohm Mono
  • Bridgeable
  • Tiffany-style input and ouput RCA jacks
  • Hour meter
  • Remote mount digital voltmeter
  • Remote bass boost control
  • Heavy duty heat sink
  • High speed switching power supply
  • THD: 0.05%
  • S/N Ratio: >100dB
  • Frequency Response: 5Hz-50kHz
  • Variable Low Pass Filter: 50Hz-250Hz, 24 dB/oct
  • Variable High Pass Filter: 50Hz-250Hz, 24 dB/oct
  • Variable Subsonic Filter: Off-20Hz, 24dB/oct
  • Variable Bass Boost at 45Hz: 0-18dB
  • Variable Phase Shift: 0-180 degrees
  • Input Impedance: 10K ohm
  • 4-Way Protection Circuitry: Thermal, Short Circuit, Overload, and DC Offset
  • On board hook-up terminals
  • Dimensions: 22L x 8W x 2 5/8H
  • 1-year SonicElectronix.com warranty

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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
150 watts x 2 channel
RMS Power @ 2 ohms
240 watts x 4 channel
RMS Power @ 1 ohm
Not Stable
Bridged RMS Power
460 watts x 2 channel
Amplifier Specifications
Number of Channels
4-Channel
Total RMS Power Output
960 watts
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
2 ohms
THD at Rated RMS Power
0.05%
Speaker Level Inputs
No
Preamp Outputs
1 pair
High-Pass Crossover Frequency
50 - 250 Hz
Low-Pass Crossover Frequency
50 - 250 Hz
Subsonic Filter
Off - 20 Hz
Signal-to-Noise Ratio
>100 dB
Bass Boost
0 - 18 dB
Fuse Rating
30A x 2 

Item Details


Manufacturer:

Model Number:

PMA4150A

Weight:

18.00lbs

Internal SKU:

pma4150a

Internal Product ID:

2821

Product and How-to Videos


Customer Ratings & Reviews


Alphasonik PMA4150A thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
4
Design
4
Usability
3

Customer Reviews

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This amp has it all.

With the exception of Zapco C2K4, and perhaps Audison, this is the cleanest, most powerful 4 channel amp on the market, AT ANY PRICE. I bench tested this thing and it consistently produced 165 watts on all four channels at 4 ohm loads, AT 12.7 VOLTS!!!!! This was without clipping. I kept it on the bench for hours just to see how far it would go. You would have to MSRP well over $1,500 to beat this amp. Hands down, superior to any other consumer level amp,i.e.,(kicker,jl,alpine,rockford,mtx), on the market. THESE RESULTS ARE FROM THE BENCH, NOT FROM THE MANUFACTURERS BOX.

By Joe on September 27, 2005

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