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Car Audio
Nemesis Audio
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Nemesis Audio NA-K200X4D 200W RMS x 4 Class D 4-Channel Car Amplifier Made In Korea Team Series

Sale price $599.99 Regular price $649.99
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Key features

  • Amplifier channels: 4
  • RMS per channel at 4 ohms: 200 W
  • RMS per channel at 2 ohms: 350 W
  • Frequency response: 10 Hz–25 kHz
  • Input sensitivity: 0.2–6 V
  • Power and ground inputs: 4 AWG


Description

Product Overview

Build a four-channel car audio system with flexible power options using the Nemesis Audio NA-K200X4D Class D amplifier. This Korea-made Team Series model supports four-channel operation or bridged output, with built-in filters and remote gain control for system tuning.

Key Features & Benefits

  • Flexible channel setup: Use all four channels for speakers or bridge channels for higher-power output.
  • Integrated filters: Adjust high-pass, low-pass, and subsonic filtering to suit your system setup.
  • Remote gain control: Adjust output from the front and monitor clipping while listening.
  • Tiffany RCA inputs and outputs: Connect audio components through the amplifier’s stated signal connections.
  • 4-gauge power and ground inputs: Plan your installation around the amplifier’s specified connection size.

Technical Specifications

Model NA-K200X4D
Series Team Series
Amplifier Class Class D
Channels 4
4-Ohm RMS Power 200W x 4
2-Ohm RMS Power 350W x 4
4-Ohm RMS Bridged Power 700W x 2
Frequency Response 10Hz–25kHz
Signal to Noise Ratio 95dB
Damping Factor 200dB
Efficiency (4-Ohm, 100Hz) 75%
Input Sensitivity 6V–0.2V
Subsonic Filter 10Hz‑500Hz
Low Pass Filter 50Hz‑500Hz
High Pass Filter 20Hz‑500Hz
RCA Connections Audiophile Grade Tiffany RCA Input & Output
Power & Ground Input 4 Gauge
Working Voltage 10V–16V
Tested Voltage & THD 14.4V & Less than 1%
Remote Control Remote Gain Control with Clipping Indicator
Country of Manufacture Korea

Why Choose This Product?

The NA-K200X4D gives you a choice between four-channel speaker power and bridged output, depending on your system plan. Its stated RMS ratings cover 4-ohm and 2-ohm loads, with a separate bridged rating for 4-ohm loads.

Adjustable filters let you shape the frequency range sent to connected speakers. The remote gain control adds an accessible way to adjust output and watch for clipping during use.

Installation & Compatibility Notes

Plan the installation around the amplifier’s 10V–16V working-voltage range, 4-gauge power and ground inputs, and the impedance ratings listed above. Check your speakers’ impedance and intended channel configuration against the amplifier ratings before connecting the system.

The input sensitivity range is 6V–0.2V. Confirm that your head unit or processor’s output suits the planned setup.

Frequently Asked Questions

What is the RMS power at 4 ohms?

The amplifier is rated at 200W x 4 RMS at 4 ohms.

Can I use the NA-K200X4D with 2-ohm loads?

Its stated 2-ohm RMS rating is 350W x 4. Match the connected speakers and channel setup to the amplifier’s ratings.

What is the bridged power rating?

The stated 4-ohm bridged RMS rating is 700W x 2.

What do the built-in filters adjust?

The high-pass, low-pass, and subsonic filters provide the frequency ranges listed in the specifications for system tuning.

What should I check before installation?

Confirm speaker impedance, channel configuration, power connections, and compatibility with your vehicle’s electrical system.

Explore More

Want to learn more about Nemesis Audio? Explore our Nemesis Audio brand profile.