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GM-D8100

A compact 4-channel amplifier powerfully supports the foundation of the sound.

【Carrozzeria GM-D8100|A Monoblock Power Amplifier That Powerfully Supports Your Subwoofer Bass】

Even though you’ve added a subwoofer, if you feel that “the bass isn’t coming out as much as I expected,” “it sounds strained when I turn the volume up,” or “only the bass stands out and doesn’t blend into the music,” it may be possible to improve things by reviewing the amplifier.

Carrozzeria GM-D8100 is an easy-to-use 1-channel monoblock power amplifier for subwoofers. It has the power to drive the low frequencies firmly, making it easier to achieve a good connection with your front speakers while delivering the attack of kick drums and the thickness of the bass.

Bass doesn’t just need to be played loudly. If you don’t have enough power, the sound can become blurred; and if the settings aren’t matched properly, the bass may push forward on its own and even make you feel tired after listening for a long time. The GM-D8100 is an amplifier that builds the foundation for enjoying the entire music comfortably in the car, while securing the power your subwoofer needs.

In rock and pop music, the presence of the bass and kick tends to stand out more, and it becomes easier to feel the musical thickness that supports the vocals. A major benefit of adding a subwoofer amplifier is that the low end is less likely to feel thin—not only when you turn the volume up, but also at your usual listening volume.

Things to Keep in Mind When Installing the GM-D8100

Even with the same amplifier, the final result will vary depending on the subwoofer specifications, the box volume, power wiring, installation method, and adjustments such as gain and the low-pass filter.

Since simply installing the amplifier doesn’t necessarily make the bass come together naturally, it’s important to check the volume balance with the front speakers and confirm how the bass connects. If I were setting it up, I wouldn’t just make the bass louder—I’d adjust it so that, at your normal volume, the entire music sounds fuller.

At Log On, we guide you on whether the GM-D8100 is a good fit by checking your current car audio setup, the type of subwoofer, and the space available inside the cabin. Even if you’re considering adding to an existing system or replacing an amplifier, we can organize a sensible setup together based on your vehicle model and current configuration.

If you want the subwoofer bass to sound a bit more solid or want to add more punch to your current system, we recommend choosing not only the amplifier, but also considering the overall combination. When the components connect well, the bass can change the enjoyment of listening to music far more than volume alone.

Main Specifications / Specs

【Basic Information】
Product name: GM-D8100
Brand: Carrozzeria
Type: Monoblock Power Amplifier
Number of channels: 1ch
Amplification method: Class D

【Output】
Maximum output: 1,600W × 1ch (1Ω)
Rated output: 800W × 1ch (1Ω)
Rated output: 500W × 1ch (2Ω)
Rated output: 300W × 1ch (4Ω)

【Audio Performance】
Frequency response: 10Hz–240Hz
S/N ratio: 100dB or higher
Total harmonic distortion: 0.05% or less

【Input / Adjustment Functions】
Input method: RCA input, speaker line input
Low-pass filter: 40Hz–240Hz
Bass boost: 50Hz, 0–12dB
Phase switching: Yes

【Mounting Dimensions】
External dimensions: 252mm × 60mm × 215mm
Weight: 2.3kg

  • Depending on the specifications of the subwoofer you connect and the vehicle’s power environment, the appropriate configuration and installation details will vary.
List price¥ 23,100 (Tax included)