At P4L Innovations, we are happy to offer our customers used and refurbished equipment at a discounted price. All of our used/refurb equipment comes with a 30 day warranty. See our warranty policy at the bottom of the page for more info.

Corzus MD5k 2 ohm
Sale Price: $249.99 Original Price: $299.99

The Corzus MD5000 is a 5000 watt RMS monoblock full range car amplifier. These amplifiers are perfect for running subs or midrange speakers. This amplifier has been refurbished and may show signs of use, but is in fully functional condition. This amplifier comes with a 30 day warranty.

This listing is for a 2 ohm model amplifier

Features

  • 5000 watts RMS x 1 at 2 ohms

  • 2500 watts RMS x1 at 4 ohms

  • Frequency response 20hz-8khz

  • Selectable crossover settings

  • 80C temperature protection

  • Input voltage 10v-18v

  • RCA input sensitivity 0.5v-5v

  • Zero gauge power input terminals

  • Built in clip indicator

  • Built in display shows voltage, amplifier temp, and protection modes.

Corzus HF804 4 channel
Sale Price: $169.99 Original Price: $199.99

The Corzus HD804 is a 800 watt RMS four channel car amplifier. These amplifiers are perfect for running midrange speakers and tweeters. This amplifier has been refurbished and may show signs of use, but is in fully functional condition. This amplifier comes with a 30 day warranty.

Features

  • 100 watts RMS x 4 at 4 ohms

  • 200 watts RMS x 4 at 2 ohms

  • 400 watts RMS x 2 at 4 ohms bridged

  • Frequency response 20hz-20khz

  • Selectable crossover settings

  • 80C temperature protection

  • Input voltage 10v-15v

  • RCA input sensitivity 0.5v-5v

  • 4 gauge power input terminals

  • Built in power and protection LEDS to indicate faults.

B2 Audio Rage 1200.2
Sale Price: $139.99 Original Price: $149.99

The B2 audio rage 1200.2 is a two channel class D car amplifier. This amplifier has been refurbished and may show signs of use, but is in fully functional condition. This amplifier has some scratches on it and slightly bent mounting feet. See photos for more details. This amplifier comes with a 30 day warranty.

  • Frequency Response: 10 Hz ~ 25 KHz

  • Signal to Noise Ratio: >90 dB

  • Input Sensitivity: 5 V ~ 0.2 V

  • Low Pass Crossover 24 db/ Oct: 20 Hz ~ 1 KHz

  • High Pass Crossover 24 dB / Oct: 40 Hz ~ 5 KHz

  • Power Terminal gauge: 4 GA

  • Operational voltage: 9 V ~ 14.5 V

  • Power @ 4 Ω 13.8 V: 2 x 350 w

  • Power @ 4 Ω 14.4 V: 2 x 400 w

  • Power @ 2 Ω 13.8 V: 2 x 550 w

  • Power @ 2 Ω 14.4 V: 2 x 600 w

  • Power @ 4 Ω bridge 13.8 V: 1 x 1100 w 

  • Power @ 4 Ω bridge 14.4 V: 1 x 1200 w

Pioneer GM-A5702 2-Channel Amplifier
$74.99

The Pioneer GM-A5702 is a two channel class A/B car amplifier. This amplifier has been refurbished and may show signs of use, but is in fully functional condition. See photos for more details. This amplifier comes with a 30 day warranty.

  • 150 watts RMS x 2 at 4 ohms

  • 240 watts RMS x 2 at 2 ohms

  • 480 watts RMS x 1 in bridged mode (4-ohm stable in bridged mode)

  • Variable low-pass filter (40-500 Hz, 12 dB per octave)

  • Operational voltage: 10.8v - 15.1v.

  • Fuse rating: 30A x 2

  • Dimensions: 14"W x 2-3/8"H x 8-9/16"D

JP234 Amplifier
$149.99

The JP234 is a four-channel car amplifier. This amplifier has been refurbished and may show signs of use but is in fully functional condition. This amplifier comes with a 30 day warranty.

Features

  • 4 ohms at 14.4V: 334W RMS

  • 2 ohms at 14.4V: 425W RMS

  • Bridged at 2 ohms: 678W RMS

  • Operating Voltage: 9 to 16 Volts

  • Signal to Noise Ratio: >95dB

  • Dimensions: 11.8" x 7.4" x 2.24"

Soundigital 3000.1 EVO 4.0 1 ohm
Sale Price: $219.99 Original Price: $239.99

The Soundigital 3000.1 EVO 4.0 is a 3000 watt RMS monoblock full range car amplifier. These amplifiers are perfect for running subs or midrange speakers. This amplifier has been refurbished and may show signs of use, but is in fully functional condition. This amplifier comes with a 30 day warranty.

This listing is for a 1 ohm model amplifier

Features

  • 3000 watts RMS x 1 at 1 ohm

  • 1980 watts RMS x 1 at 2 ohms

  • 1307 watts RMS x 1 at 4 ohms

  • Frequency response 5hz-20khz

  • Operating voltage 8v-16v

  • Adjustable LPF and HPF

Corzus HT 600
Sale Price: $99.99 Original Price: $119.99

The Corzus HT600 is a 600 watt RMS smart monoblock car amplifier. These amplifiers are perfect for running small subwoofers, midranges, or tweeters. This amplifier has been refurbished and may show signs of use, but is in fully functional condition. This amplifier comes with a 30 day warranty.

Features

  • 600 watts RMS x 1 at 1 ohm

  • 600 watts RMS x 1 at 2 ohms

  • Automatic impedance adjustment

  • Frequency response 20hz-20khz

  • Full range and low pass filter option

  • 85C temperature protection

  • Input voltage 10v-15v

  • RCA input sensitivity 0.5v-5v

  • Built in power and protection LEDS to indicate faults.

Corzus MD3K 1 ohm
Sale Price: $169.99 Original Price: $199.99

The Corzus MD3000 is a 3000 watt RMS monoblock full range car amplifier. These amplifiers are perfect for running subs or midrange speakers. This amplifier has been refurbished and may show signs of use, but is in fully functional condition. This amplifier comes with a 30 day warranty.

This listing is for a 1 ohm model amplifier

Features

  • 3000 watts RMS x 1 at 1 ohms

  • 1500 watts RMS x1 at 2 ohms

  • 750 watts RMS x1 at 4 ohms

  • Frequency response 20hz-8khz

  • Selectable crossover settings

  • 80C temperature protection

  • Input voltage 10v-15v

  • RCA input sensitivity 0.5v-5v

  • 4 gauge power input terminals

  • Built in clip indicator

  • Built in display shows voltage, amplifier temp, and protection modes.

Sundown Audio SIA -1750D
Sale Price: $189.99 Original Price: $199.99

The Sundown Audio SIA-1750D is a class D Intelligent monoblock full range amplifier. This amplifier has been refurbished and may show signs of use, but is in fully functional condition. This amplifier comes with a 30 day warranty.

Features

  • 1,750 x 1 @ 1 ohm RMS

  • 1,750 x 1 @ 2 ohms RMS

  • 1,250 x 1 @ 4 ohms RMS

  • Variable 12dB low pass filter: 40Hz-20kHz

  • Variable 12dB high pass filter: 10Hz-1kHz

  • Variable 12dB Bass Boost @ 50Hz

  • Power, protection & clipping indicators

  • Thermal, voltage, speaker short, and dc-offset protection circuitry

  • 3-speed fan design

  • Subsonic filter

  • Intelligent full bridge design

Crossfire C3-500D Amplifier
Sale Price: $119.99 Original Price: $139.99

The Crossfire C3-500D is a 500w RMS monoblock subwoofer amplifier. This amplifier has been refurbished and may show signs of use, but is in fully functional condition. This amplifier comes with a 30 day warranty.

Features

  • 500 watts RMS x 1 at 1 ohm

  • 300 watts RMS x1 at 2 ohms

  • 180 watts RMS x1 at 4 ohms

  • Frequency response 10hz-350hz

  • Adjustable LPF crossover settings

  • Input voltage 10v-15v

  • RCA input sensitivity 0.15v-6v

MTX TNA251
$39.99

The MTX TNA251 is a monoblock car amplifier. This amplifier has been refurbished and may show signs of use but is in fully functional condition. The MTX logo is missing from the top of this unit. This amplifier comes with a 30 day warranty.

Features

  • 150 watts RMS x 1 at 4 ohms

  • 250 watts RMS x 1 at 2 ohms

  • Variable high and low pass filters

  • Fuse rating: 30A x 2

  • 8 gauge power and ground input terminals

Audiopipe APMI-4080
$74.99

The Audiopipe APMI-4080 is a mini four channel car amplifier. This amplifier is perfect for running midrange speakers and tweeters. This amplifier has been refurbished and may show signs of use, but is in fully functional condition. This amplifier comes with a 30 day warranty.

Features

  • 78W RMS x 4 at 4 Ohms

  • 117W RMS x 4 at 2 Ohms

  • 250W max x 2 channels bridged at 4 Ohms

  • Freq. Resp.: 10-2000Hz

  • LPF: 50-500Hz

  • HPF: 50-1.2kHz

  • Dimensions: 6-1/2"W x 2-1/4"H x 8-1/2"L