Christmas cut off: The Christmas delivery cut-off date has passed. Delivery before Christmas is not guaranteed. For the best chance of receiving your order in time, please select Express shipping.
Please be advised that our website will undergo maintenance at 5:00 PM. We expect to be back online by 7:00 PM. During this time, the website may not function at full capacity.
Our last trading day before the holidays is 20th December, and we will reopen on 13th January.
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Christmas cut off: The Christmas delivery cut-off date has passed. Delivery before Christmas is not guaranteed. For the best chance of receiving your order in time, please select Express shipping.

Please be advised that our website will undergo maintenance at 5:00 PM. We expect to be back online by 7:00 PM. During this time, the website may not function at full capacity.

Our last trading day before the holidays is 20th December, and we will reopen on 13th January.

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Boss Audio NXD4500 Mono Channel Amplifier

UPC: 791489113717 SKU: NXD4500
Boss Audio NXD4500 Mono Channel AmplifierBoss Audio NXD4500 Mono Channel Amplifier
$369.99
$369.99$220.85
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Full Australian Warranty
  • Express to Metro (1-3 biz days)
  • Standard to Metro (2-6 biz days)
  • Express to Non-metro (2-6 biz days)
  • Standard to Non-metro (5-20 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
  • Out of Stock
  • Model: Boss NXD4500
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Visit us at 3/229 Robinsons Road, Ravenhall, VIC
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ONYX Series Class-D Mono Channel Amplifier


  • Max Power Rating:
    • 1 Ohm: 4500 Watts x 1
    • 2 Ohms: 2250 Watts x 1
    • 2 Ohms: 6750 Watts, when strapped with same model amplifier
  • RMS Power Rating:
    • 4 ohms: 844 watts x 1 Ch
  • Soft Turn-On Circuit
  • Master/Slave Switch
  • Thermal Overload & Speaker's Short Protection
  • Remote Subwoofer Level Control
  • Power & Protection LEDs
  • Number of RCA Line Output: 2
  • Strapping Capability
  • Input Sensitivity Selector
  • Frequency Response: 15 to 150 Hz
  • Total Harmonic Distortion (THD) @ RMS Output: 0.01%
  • Signal-to-Noise Ratio (SNR): 105 dB
  • Minimum Speaker Impedance: 1 Ohms
  • Variable Low Pass Crossover: 45 to 150 Hz
  • Dimensions: 2" x 15.38" x 10.25"

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