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Boss NXD4500

4500W Max Onyx Series Class D Monoblock Power Amplifier

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• RMS: 2100W x 1 @ 4 ohm
• Peak: 3500W x 1 @ 2 ohm, 4500W x 1 chan @ 1 ohm
• Class D Circuitry
• Bass Boost 0-18 dB
• Line and Speaker Level Inputs
• Dimensions: 15-1/4" L x 10" W x 2-3/16" H

Learn more about the nxd4500

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This item has been discontinued


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Product Highlights


• RMS: 2100W x 1 @ 4 ohm
• Peak: 3500W x 1 @ 2 ohm, 4500W x 1 chan @ 1 ohm
• Class D Circuitry
• Bass Boost 0-18 dB
• Line and Speaker Level Inputs
• Dimensions: 15-1/4" L x 10" W x 2-3/16" H

Description


Boss brand icon

Authorized dealer

  • Onyx Series Monoblock Class D Car Amplifier
  • RMS Power Rating:
    • 4 ohm: 2100 watts x 1 chan.
  • Max Power Rating:
    • 2 ohm: 3500 watts x 1 chan.
    • 1 ohm: 4500 watts x 1 chan.
  • MOSFET PWM Power supply
  • Remote subwoofer level control
  • LED power and protection indicators
  • Variable 0 to +18dB Bass boost
  • Thermal, overload and speaker short protection
  • Soft turn-on circuit
  • Remote turn-on/turn-off circuit
  • Variable gain controls
  • Line and speaker level inputs
  • Input voltage sensitivity selector
  • 0/180-degree Phase shift selector
  • Heavy duty black anodized heatsink
  • Nickel-plated RCA level inputs
  • Nickel-plated terminals
  • Variable subsonic filter (15-45 Hz, 12 dB/octave)
  • Variable low-pass filter (45-90 Hz, 12 dB/octave)
  • Dimensions: 15-1/4"L x 10"W x 2-3/16"H
  • 4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

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Specifications & Details


Power Specifications - Subwoofer Channel
RMS Power @ 4 ohms
2100 watts x 1 channel
Amplifier Specifications
Series
ONYX Series
Amplifier Class
D
Number of Channels
1 - Mono
Total Peak Power Output
4500 watts
Total RMS Power Output
2100 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
1 ohm
Minimum Impedance Bridged
Not Bridgeable
THD at Rated RMS Power
.01%
Speaker Level Inputs
Yes
Built-in Crossover
Low-Pass (LP)
Low-Pass Crossover Frequency
45 - 90 Hz
Subsonic Filter
15 - 45 Hz
Signal-to-Noise Ratio
105 dB
Bass Boost
0 - 18 dB
Remote bass/level controller
Yes
Fuse Rating
30A x 4 
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

NXD4500

Weight:

12.00lbs

Internal SKU:

nxd4500

Internal Product ID:

23377

Product and How-to Videos


Customer Ratings & Reviews


Boss NXD4500 thumbnail image

5 star
75%
4 star
15%
3 star
10%
2 star
0%
1 star
0%



Durability
4.7
Value
4.8
Features
4.5
Design
4.4
Usability
4.7

Customer Reviews

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Awesome amp for the price

You will not find a more powerful amp any where else for 120 bucks. This amp is perfect for anyone seeking power on a budget. And its strappable. What more could you want?

By james on February 3, 2014

21 found this helpful


Audio Tech In Fresno Car Audio Installer

We sell these amps in our store that i work at and i have to say, im really surpised what power comes out of this amp, it may not be true power but to get the most of it does require a good cap or extra battery, 0gauge power wire with the big 3 aswell. 0 to 4 gauge splitter for the 4guage amp inputs. a good stereo like pioneer or a simple jvc headunit. and a fan to cool it down since it doesnt have a cooling system so to keep it from getting hot. and some good subs like kicker or re audio. it would sound awesome. from Fresno CA, this is my review and i reccomend it for this price.

By Pablo-Little Man on April 5, 2014

23 found this helpful


Alright but the usual issue.

This amp has a great price but I have noticed in the 6 months that I have had this as usual BOSS once again overrated this amp. 2100 RMS you say? It hits less hard than a 900 RMS kicker. It's decent but you can get better. Doesn't over heat and lasts.
I wouldn't recomend it since it is overrated. Spend the bit extra and get a quality amp.

By Bryan on July 17, 2011

20 found this helpful


Alright

I was hesitant to purchase this product due to the same reason as the prior review. Boss tends to overate their wattage and that's what they did. This is pushing out less than my friends 1500 Kicker amp. Looks decent and doesn't over heat often. Decent but not the best.

By Bryan on March 24, 2011

20 found this helpful


great value

This product is very good and its durable and when I installed it I just fell in love with with it.

By johnc on January 28, 2014

19 found this helpful


good amp

Got this in a mustang convertible and it was hard to get bass sound with top down this help a lot.would recommend this amp.got two 10s and wow what a big difference.

By keith on May 13, 2014

17 found this helpful


great amp

best mono block iv've ever owned great on my two 12 in kenwood subs .

By laro the great on January 19, 2015

18 found this helpful


Good Amp

Great value I have only used it for about a month now and have had no problems. I am running 2 10" Kaption subs and they sound great.
surprisingly pleased how well this amp works.

By Madson on August 30, 2014

16 found this helpful


Ejay Johnson

I recommend anybody to buy this amp. I wasn't a fan of Boss but I must say I love this amp. I have a Grand Marquis and this amp has those 2 Kicker Comp CVR's dancing all in the trunk

By Lil Eddie on February 25, 2014

17 found this helpful


Boss NXD4500

This amp is amazing. Just make sure that when you ground it to your vehicle that the ground is solid. Have no other problems. Keeps the bass going and no shorting.

By sound-maker on November 30, 2012

14 found this helpful




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