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Hifonics Brutus Gamma Mono D 4000 Watt Car Audio Subwoofer Amplifier - BG-4000.1D
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The Hifonics Brutus Gamma Mono Super D Class Amplifier is a mono car audio amplifier for subwoofers, speakers, and other output devices. It has a variable electronic crossover and electronic equalizer capabilities.
The amplifier uses Ultra-Fi MOSET output device technology, aluminum construction, nickel-plated connectors, and an angled molded connection terminal.
- Mono-only operation
- Rated at 1 ohms: 1 channel x 4,000 watts
- Rated at 2 ohms: 1 channel x 2,200 watts
- Rated at 4 ohms: 1 channel x 1,100 watts
- Variable electronic crossover
- Electronic equalizer capabilities
- Nickel-plated connectors
Shipping
Last updated: September 9, 2026
CALVIRELLE currently ships to the 48 contiguous United States and Washington, DC.
We do not currently ship to Alaska, Hawaii, Puerto Rico, other U.S. territories, APO/FPO/DPO addresses, or international destinations.
1. Order Processing
Orders are normally processed within 1–2 business days.
Business days are Monday through Friday and exclude weekends and U.S. federal holidays. Orders placed outside business hours begin processing on the next business day.
Processing time is separate from carrier transit time.
2. Shipping Rates
Standard shipping rates are:
• Orders under $50:... Read full policy
Returns & refunds
Last updated: September 9, 2026
At CALVIRELLE, we want you to feel confident about your purchase. We accept eligible returns and exchanges, including returns due to a change of mind, within 30 days after the order is delivered.
1. Return Eligibility
To qualify for a return or exchange, an item must be:
• Unworn and unused
• Unwashed and free from stains, odors, makeup, pet hair, or other signs of wear
• In its original condition
• Returned with all original tags, labels, packaging, and accessories
Customers may carefully try on clothing indoors... Read full policy