220 Watts RMS 2 Ohm 4-CH Class D Digital Car Audio Amplifier Massive Audio GTR4X

220 Watts RMS 2 Ohm 4-CH Class D Digital Car Audio Amplifier Massive Audio GTR4X

Included Items:

• (1) Massive Audio GTR4X 4-Channel Class D Amplifier
• (1) Mounting Hardware Kit
• (1) User Manual

The Massive Audio GTR4X 4-Channel Amplifier is engineered to redefine what compact car amps can do. Pushing 220 Watts RMS per channel at 2 Ohm, this ultra-efficient Class D amp delivers clean, pure sound to your mids and highs—perfect for daily drivers, show builds, or full-range systems that demand both power and clarity.

Built with Massive Audio’s exclusive “Massive Core” power supply, the GTR4X features oversized toroids and transformers, ensuring headroom and current delivery that outperforms amps twice its size. The internal layout is built for reliability, using 4-layered PCBs and SMD parts tested as they’re placed to minimize distortion and maintain even temperature across the board.

From smart auto turn-on via RCA inputs to built-in noise reduction and next-gen 5-way protection, this amp is made for clean installs, consistent power, and years of worry-free use.

Key Features:

• Class D Digital 4-Channel Amp: 220W x 4 @ 2 Ohm, 120W x 4 @ 4 Ohm, or 430W x 2 Bridged @ 4 Ohm
• Massive Core Power Supply: Oversized toroids + transformers for stable, high-output current
• Auto RCA Turn-On: Clean installation without remote wire in Hi-Level applications
• Full MOSFET Switching: High-grade, high-speed efficiency with minimal heat
• Built-In Noise Reduction: Keeps your audio clean and interference-free
• Compact Design: Fits tight spaces at just 5.9" x 2.16" x 7"
• 4 AWG Power Input: Built to feed serious current
• Clip LED Indicator: Visual aid to prevent distortion and overpowering

Specifications:

• RMS @ 2 Ohm: 220W x 4
• RMS @ 4 Ohm: 120W x 4
• Bridged RMS @ 4 Ohm: 430W x 2
• Minimum Load: 2 Ohm
• Input Sensitivity: 310mV – 7V
• Frequency Response: 10Hz – 31kHz
• Low Pass Filter Range: 20Hz – 3kHz
• Channel Separation: 55dB
• THD @ 4 Ohm: 0.08%
• Signal-to-Noise Ratio: 91dB
• Bass Boost: N/A

Dimensions:

• Width; 5.9"
• Height: 2.16"
• Length: 7"

Shipping Dimensions:

• Approx. Package Size: 8" x 3" x 8.5"
• Shipping Weight: Approx. 5.5 lbs