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Product comparison
Car Amplifiers Comparison

Current Item

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RetroSound Technophonic
5-channel car amplifier — 65 watts RMS x 4 at 4 ohms + 330 watts RMS x 1 at 2 ohms
  • 190 watts RMS x 2 bridged at 4 ohms + 330 watts RMS x 1 at 2 ohms
  • wired remote sub channel gain control with 16-foot cable
  • RCA preamp inputs
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Top Seller
Alpine KTP-445A Power Pack
Compact upgrade amplifier for your Alpine receiver — 45 watts RMS x 4
  • dimensions: 7-7/8"W x 1-1/2"H x 2-9/16"D
  • compact amplifier for Alpine in-dash receivers
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Alpine KTA-450 Power Pack
Compact 4-channel car amplifier — 50 watts RMS x 4
  • 100 watts RMS x 2 bridged at 4 ohms
  • Dynamic Peak Power (DPP) technology adds a burst of power when needed
  • PowerStack bracket included for mounting amp behind Alpine iLX-W650 digital multimedia receiver (#500ILXW650)
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Soundstream Picasso Nano PN5.640D
Compact 5-channel car amplifier — 60 watts RMS x 4 at 4 ohms + 350 watts RMS x 1 at 2 ohms
  • 160 watts RMS x 2 bridged + 200 watts RMS x 1 at 4 ohms
  • preamp and speaker-level inputs
  • remote bass level control
       
Condition New Stock New Stock New Stock New Stock
Performance RetroSound Technophonic Alpine KTP-445A Power Pack Alpine KTA-450 Power Pack Soundstream Picasso Nano PN5.640D
RMS Power Output (Wt x Channels) 65 x 4
225 x 1
45 x 4
50 x 4
60 x 4
200 x 1
Peak Power Output (Wt x Channels) N/A 90 x 4 100 x 4 N/A
Power at 2 Ohms (Wt x Channels) 95 x 4 N/A 45 x 4 80 x 4
Bridged Power (Wt x Channels) 190 x 2 N/A 100 x 2 160 x 2
2 N/A 4 4
2 2 2 2
24-65k Hz 20-20k Hz 15-50k Hz 10-35k Hz
0.2% 1% 1% 0.5%
95 dB 84 dB 82 dB 70 dB
--- 14.4v 14.4v ---
Features RetroSound Technophonic Alpine KTP-445A Power Pack Alpine KTA-450 Power Pack Soundstream Picasso Nano PN5.640D
D D D D
50-250 Hz N/A No 35-250 Hz
24 dB/octave N/A N/A 12 dB/octave
40-400 Hz N/A Off, 60, 80, 120Hz 35-250 Hz
24 dB/octave N/A 12 dB/octave 12 dB/octave
0-12 dB No No 0-12 dB
50 Hz N/A N/A 45
No No No No
70 15 20 40
No Harness RCA Harness
No No No No
13-11/16 7-7/8 7 12
1-7/8 1-1/2 1-3/8 1-3/4
5-5/16 2-9/16 3-9/16 4-7/8
1 Year 1 Year 1 Year 1 Year
1 Year 1 Year 1 Year 1 Year
  Owner's Manual Owner's Manual Owner's Manual Owner's Manual
Photos RetroSound Technophonic Alpine KTP-445A Power Pack Alpine KTA-450 Power Pack Soundstream Picasso Nano PN5.640D
Photo: Front
Hands-on Research Hands-on Research Hands-on Research Hands-on Research
Remove

Adding...
RetroSound Technophonic
5-channel car amplifier — 65 watts RMS x 4 at 4 ohms + 330 watts RMS x 1 at 2 ohms
Remove

Adding...
Top Seller
Alpine KTP-445A Power Pack
Compact upgrade amplifier for your Alpine receiver — 45 watts RMS x 4
Remove

Adding...
Alpine KTA-450 Power Pack
Compact 4-channel car amplifier — 50 watts RMS x 4
Remove

Adding...
Soundstream Picasso Nano PN5.640D
Compact 5-channel car amplifier — 60 watts RMS x 4 at 4 ohms + 350 watts RMS x 1 at 2 ohms
TOP