

220 Watts RMS 2 Ohm 4-CH Class D Digital Car Audio Amplifier Massive Audio GTR4X
Key item features
- Powerful 4-Channel Output: 220W x 4 @ 2 Ohm or 430W x 2 bridged @ 4 Ohm—ideal for mids and highs
- Ultra-Compact Build: Small but mighty at just 5.9” x 2.16” x 7” for tight or hidden installs
- Engineered with Massive Core Tech: Oversized toroids & high-speed switching for stable, clean power
- Smart Install Features: Auto RCA turn-on, clip LED, and noise suppression built-in
- Built for Longevity: 4-layer thermal-balanced PCB and next-gen protection circuitry ensure long-term use
Specs
- BrandMassive Audio
- Rms power rating220 W
- Channels4
- Impedance2 ohm
- FeaturesCompact
- Input/output typeRCA
- Free shipping
Free 30-day returns
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About this item
Product details
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
- Powerful 4-Channel Output: 220W x 4 @ 2 Ohm or 430W x 2 bridged @ 4 Ohm—ideal for mids and highs
- Ultra-Compact Build: Small but mighty at just 5.9” x 2.16” x 7” for tight or hidden installs
- Engineered with Massive Core Tech: Oversized toroids & high-speed switching for stable, clean power
- Smart Install Features: Auto RCA turn-on, clip LED, and noise suppression built-in
- Built for Longevity: 4-layer thermal-balanced PCB and next-gen protection circuitry ensure long-term use
Specifications
Brand
Rms power rating
Channels
Impedance
Warranty
Warranty information
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
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