Christmas cut off: As the cut-off date has passed, Christmas delivery may not be guaranteed. Please select Express shipping for the best chance of delivery before Christmas.
Our team will be on holiday from Dec 22nd to Jan 15th. Please be assured that your order will be dispatched, and any inquiries will be promptly addressed upon our return. We appreciate your understanding and patience during this period.

Christmas cut off: As the cut-off date has passed, Christmas delivery may not be guaranteed. Please select Express shipping for the best chance of delivery before Christmas.

Our team will be on holiday from Dec 22nd to Jan 15th. Please be assured that your order will be dispatched, and any inquiries will be promptly addressed upon our return. We appreciate your understanding and patience during this period.

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Boss Audio PH4.400 4-Channel 1600W Amplifier

SKU: PH4.400
Boss Audio PH4.400 4-Channel 1600W AmplifierBoss Audio PH4.400 4-Channel 1600W AmplifierBoss Audio PH4.400 4-Channel 1600W Amplifier
$224.99
$224.99$136.85
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  • Standard to Metro (4-10 biz days)
  • Express to Metro (1-4 biz days)
  • Standard to Non-metro (10-20 biz days)
  • Express to Non-metro (2-6 biz days)
  • Pickup (Same or next biz day)
  • Longer ETA applies to NT, WA, NZ & US locations.
  • The above time frames are estimates only. The actual delivery time is dependent on the shipping location, shipper's processing capacity and other unforeseeable factors i.e. natural disasters, accidents etc. We cannot be held responsible for any courier-related delivery delays.
This product is discontinued
  • Availability:Out of Stock
  • Model: Boss PH4.400
 Sold Out 
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Phantom Series Class-AB 4-Channel Car Amplifier


  • RMS Power Rating:
    • 4 ohms: 160 watts x 4 Ch
    • 2 ohms: 400 watts x 4 Ch
    • Bridged 4 ohms: 800 watts x 2 Ch
  • Max Power Output: 1600W
  • Bridgeable outputs
  • Trimode Operation
  • Input Sensitivity Selector
  • Wired remote bass level control included
  • Power And Protection LEDS
  • 0 TO +18dB Variable Bass Boost
  • Thermal and speaker short protection
  • Remote turn-on/turn-off circuit
  • Gold-plated RCA inputs & screw terminals
  • 2 x RCA Line-in & 4 x speakers Inputs
  • Fixed high-pass crossover (50-150 Hz)
  • Variable low-pass crossover (45-90 Hz)
  • Signal To Noise Ratio: >103dB
  • MOSFET PWM Power supply
  • Frequency response: 9-50,000 Hz
  • Dimensions: 9-1/2" D x 13-7/16"W x 2-1/4"H

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