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NVX XCA9K

9000W RMS Class D XC-Series Monoblock Korean Competition Amplifier with Bass Remote

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• 3000 watts x 1 channel @ 4 ohm
• 6000 watts x 1 channel @ 2 ohm
• 9000 watts x 1 channel @ 1 ohm
• Total RMS Power: 9000 watts
• Class D 1 ohm Stable Monoblock Amplifier

Learn more about the xca9k
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List price $2159.99
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Current Promotions (4 offers)


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Product Highlights


• 3000 watts x 1 channel @ 4 ohm
• 6000 watts x 1 channel @ 2 ohm
• 9000 watts x 1 channel @ 1 ohm
• Total RMS Power: 9000 watts
• Class D 1 ohm Stable Monoblock Amplifier

Description


NVX brand icon

Authorized dealer

NVX XCA9K Competition-Class Monoblock Amplifier | Extreme Power & Performance

NVX XCA9K – Competition-Class Monoblock Amplifier

Unmatched Power for Competition-Level Performance

The NVX XCA9K is a competition-class monoblock amplifier designed for extreme power and precision. Designed in the USA and made in Korea, this amplifier delivers 9000W RMS at 1 ohm with ultra-low distortion, ensuring clean, thunderous bass. Whether you're competing or just want unmatched power in your system, this amp is built to perform.

Extreme Power

  • 1 Ohm Stable Monoblock: 9000W RMS for earth-shaking bass.
  • Strappable: Sync both amplifiers to achieve an impressive 18000W RMS at 2 ohms.
  • Linkable: Link two or more amplifiers together for enhanced power and performance and run each down to 1 ohm. (All settings controlled from the master amplifier)

Precision Audio Tuning

  • Variable Low-Pass Crossover: Adjustable 35Hz - 250Hz for precise sound control.
  • Subsonic Filter: 10Hz - 50Hz to eliminate unwanted low frequencies.
  • Signal-to-Noise Ratio: 91dB for crystal-clear audio output.

Built for Reliability & Durability

The NVX XCA9K is engineered with precision-machined Tiffany RCA inputs, a 4-way protection circuit, and MOSFET power supplies for stable voltage control. Its heavy-duty aluminum heatsink ensures maximum cooling efficiency.

Advanced Multi-Amp Synchronization

Unlike most amplifiers that require tedious gain matching and expensive tools when strapping or linking, the NVX XCA9K simplifies the process with advanced synchronization technology. This amplifier features a built-in line driver that compensates for signal loss, allowing effortless amplifier linking.

  • True Plug & Play Linking: Strap two amplifiers together or link multiple units with no hassle.
  • Precision Gain Matching: Built-in circuitry eliminates the need for external tools.
  • RJ11 Synchronization System: Ensures consistent signal distribution across multiple amps.

Whether you’re a beginner or a seasoned pro, the XCA9K makes linking multiple amplifiers effortless, removing the complexity of traditional strapping methods.

Upgrade to NVX XCA9K Today

For serious bassheads and competition enthusiasts, the NVX XCA9K delivers unmatched power, efficiency, and reliability. If you're looking for an amplifier that can handle extreme power loads without breaking a sweat, this is your ultimate choice.

Keep Reading...

Product Details:

  • XC-Series Competition Class D 1 ohm Stable Monoblock Amplifier
  • RMS Power Rating:
    • 4 ohm: 3000 watts x 1 channel
    • 2 ohm: 6000 watts x 1 channel
    • 1 ohm: 9000 watts x 1 channel
    • 1 ohm: 9000 watts x 2 (Linked)
    • 2 ohm: 18000 watts x 1 (Strapped)
  • 35V/4700µF High-Capacity Capacitors — Deliver enhanced ripple suppression and voltage stability under extreme loads
  • IRF3206 High-Efficiency MOSFETs — Used in only the most demanding amplifier designs for superior current handling and heat control
  • 12 High-Current FDH45N50F Output Transistors — Distributes power more efficiently across multiple devices, reducing heat and ensuring reliable performance
  • Advanced Multi-Amp Strapping and Linking Technology
  • Synchronize Two or More Amplifiers Using an RJ11 Cable (Included)
  • LED Indicators: Power, Protect, and Clip Lights
  • Includes a Wired Bass Level Remote Control with Voltage and Temperature Display, Plus a Clip LED Indicator
  • Precision-Machined Tiffany RCA Inputs and Outputs
  • 4-Way Protection Circuitry: Thermal, Overload, Speaker Short, and DC Offset Protection
  • Input sensitivity: 0.2 - 6 volts
  • Frequency Response: 10 - 250 Hz
  • Total Harmonic Distortion (THD): <0.1%
  • Signal to Noise Ratio: 91 dB
  • Dampening Factor: >400
  • Variable low-pass filter: 35 - 250 Hz, 24 dB/octave
  • Subsonic filter: 10 - 50 Hz, 24 dB/octave
  • Operating Voltage: 9.5V - 16V
  • Fuse Rating: 900A
  • Triple 1/0 AWG Power and Ground Inputs
  • 4 AWG Speaker Outputs
  • Dimensions: 29-1/8" L x 8-3/8" W x 2-3/4" H
  • Made in Korea
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
  • MFR #: XCA9K
product manual icon NVX XCA9K Owner's Manual

Frequently Asked Questions (FAQ)


XC-series amplifiers are NVX's premium line of Korean amplifiers. These are built for elite competitions and extreme applications, exceeding limits with their earth-shattering power, unparalleled efficiency and industry-leading precision.
Korean amplifiers frequently emphasize high damping factors and robust output stages, allowing better control of speaker drivers and stable operation with low-impedance or difficult speaker loads.
Competitors do it, but it can be demanding if not dangerous to your vehicle's electric system. For daily use that lasts long, stick to power at 1-ohms as this still hits really hard.
You can install the bass remote on the dash or under dash. Just make sure that the cable covers enough distance between the remote and the amplifier.
Amplifier bass knob generally helps you set the right gain, but XCA9K's bass knob also lets you monitor your electrical health in real-time. If you see it dip below 12V, it’s the solution for knowing when to turn it down before you damage gear.
XCA9K is designed with triple 1/0-gauge power and ground inputs. You must use all of these, as trying to run this 9000W beast through one wire is a fire hazard. Use high-quality OFC 1/0-gauge wire for all six inputs.
No, you shouldn’t strap XCA9K to a different amplifier model. It will cause mismatch in sound quality and gain matching failure. It’s best to strap the same two amps. We recommend buying two XCA9Ks to achieve 18000W RMS of daisy-chained bass power.
Voltage drop is the suspect. If your car drops below 9.5V, the amp quits to save itself. Upgrading your alternator is the pro solution to keep the power flowing during massive 30Hz notes.
Yes. At 9000W RMS, your stock battery is outmatched. Adding an AGM or Lithium bank in the trunk is the solution to voltage drop, ensuring your bass stays consistent and your electronics don't struggle.
XCA9K is a huge amplifier at 21.75" long. Measure the space first. It requires a really solid mounting surface to handle the weight and potential pressure.

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Specifications & Details


Key Features
Amplifier Key Features
Fan Cooled
Power Specifications - Subwoofer Channel
RMS Power @ 4 ohms
3000 watts x 1 channel
RMS Power @ 2 ohms
6000 watts x 1 channel
RMS Power @ 1 ohm
9000 watts x 1 channel
Power Specifications - Subwoofer Channel
Peak Power @ 4 ohm
6000 watts x 1 channel
Peak Power @ 2 ohms
12000 watts x 1 channel
Peak Power @ 1 ohm
18000 watts x 1 channel
Amplifier Specifications
Series
XC-Series
Amplifier Class
D
Number of Channels
1 - Mono
Total Peak Power Output
18000 watts
Total RMS Power Output
9000 watts
Maximum Input Gauge Size
1/0 AWG
Minimum Impedance Unbridged
1 ohm
Frequency Response
10 - 250 Hz
THD at Rated RMS Power
<0.1%
Speaker Level Inputs
No
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
Subsonic
Low-Pass Crossover Frequency
35 - 250 Hz
Subsonic Filter
10 - 50 Hz
Signal-to-Noise Ratio
91 dB
Remote bass/level controller
Yes
Total Fuse Rating
900
Strappable
Yes
Sonic Certified Amplifier
Yes
Amp Bluetooth Connectivity
No
Hi-Res Certified
No
Low-Level Input Sensitivity
0.2 - 6 volts
What is in the box?
Paperwork
User manual
WITB: Amplifiers
Amplifier
Wired gain knob (wire separate)
Gain knob wire
Mounting screws (4)
Allen wrenches (2)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

NVX

Model Number:

XCA9K

Weight:

30.35lbs

Internal SKU:

xca9k

Internal Product ID:

208079

Product and How-to Videos


Customer Ratings & Reviews


NVX XCA9K thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

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No way! A korean board from nvx!

Holy God I can't believe I got up this morning & saw this on ebay! Went right to the sonic electronics website to get the dimensions...21.75" long? & it weighs 60lbs? I'm on it. Nvx has always made quality amplifiers, but this is unreal that they're dropping a Korean board now... let's go!

By laurants on August 5, 2025

1 found this helpful




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