- COMPACT HIGH POWER 4 CHANNEL AMPLIFIER: Delivers up to 4 x 450 watts RMS at 2 ohms in a compact mini amplifier chassis designed for powerful full-range car audio performance.
- FULL RANGE CLASS D TECHNOLOGY: Efficient Class D circuitry provides strong clean output with lower heat generation, improved efficiency, and reliable daily performance.
- FLEXIBLE BRIDGED CONFIGURATION: Supports bridged operation up to 2 x 1020 watts RMS at 4 ohms for powering subwoofers or high-output speaker systems.
- BUILT-IN CROSSOVER CONTROLS: Adjustable high pass and low pass crossover range from 45Hz-850Hz allows precise tuning for mids, highs, and bass frequencies.
- IDEAL FOR COMPACT AUDIO INSTALLS: Small footprint design makes this amplifier perfect for cars, trucks, motorcycles, UTVs, boats, and custom space-saving installations.
- INSTALLATION READY DESIGN: Includes 150A fused power holder, mounting hardware, and Allen wrench for easier amplifier setup and reliable system protection.
Audiopipe 450 Watts 4 Channel Full Range class D Mini Amplifier APMOX-450-4
This Listing Includes:
- (1) 4 Ch 450W Amplifier
- (1) NQ-6CLR Fuse Holder w/ 150A Fuse(Installed)
- (1) Set of Installation Screws and Allen Wrench
The Audiopipe APMOX-450-4 Mini Amplifier packs serious full-range power into a compact footprint built for modern car audio systems. Designed with efficient Class D circuitry, this 4-channel amplifier delivers strong, clean output while maintaining low heat and minimal current draw, making it perfect for tight installations, motorcycles, side-by-sides, custom builds, and space-limited vehicles.
Capable of producing up to 450 watts RMS per channel at 2 ohms and over 1000 watts bridged, the APMOX-450-4 gives you the flexibility to run door speakers, compression drivers, tweeters, or bridged subwoofer configurations with powerful and detailed sound reproduction.
With adjustable high and low pass crossovers, wide frequency response, compact dimensions, and included fuse protection, this amplifier is built to bring reliable performance and clean power to daily drivers and high-output audio systems alike.
Features
- Compact 4-Channel Class D Mini Amplifier
- 4 x 450W RMS @ 2 Ohms
- 4 x 300W RMS @ 4 Ohms
- 2 x 1020W RMS Bridged @ 4 Ohms
- Full Range Frequency Response: 20Hz-20KHz
- Adjustable 45Hz-850Hz Crossovers
- Efficient Low-Heat Class D Design
- 150A Fuse Holder Included
- Compact Size for Tight Installations
- Ideal for Cars, Motorcycles, UTVs & Custom Audio Systems
Specifications:
- Amplifier Type: Full Range Class D
- Channels: 4 Channel
- RMS Power @ 4 Ohms: 4 x 300 Watts
- RMS Power @ 2 Ohms: 4 x 450 Watts
- Bridged RMS Power @ 4 Ohms: 2 x 1020 Watts
- Frequency Response: 20Hz - 20KHz
- Crossover Range: 45Hz - 850Hz
- THD: 0.2%
- Signal-to-Noise Ratio: 85 dB
- Working Voltage: 9V - 16V
- Fuse Rating: 150A
Ideal For:
- Car Audio Systems
- Motorcycle Audio Builds
- UTV & Powersports Audio
- Door Speaker Upgrades
- Compression Drivers & Tweeters
- Compact High Output Installations
Dimensions
- Length: 9.1"
- Width: 5.7"
- Height: 2.5"
Accepted Payment Methods at Big Jeff Audio
At Big Jeff Audio, we strive to make your shopping experience as smooth as possible by offering a wide variety of payment options. Below is a complete list of the payment methods we accept:
Credit and Debit Cards
- Visa
- Mastercard
- American Express
- Discover
- Diners Club
Digital Wallets
- Amazon Pay
- Apple Pay
- Meta Pay (formerly Facebook Pay)
- Google Pay
- Shop Pay
- PayPal
International Payment Methods
Bank Transfers
Financing Options
We also offer financing options to make purchasing easier. Learn more about our financing options here.
- Klarna
- Affirm
- Sezzle
- Snap
- Acima
- Tiptop
If you have any questions or need assistance with payments, feel free to reach out to us at info@bigjeffaudio.com or call us at 737-BIG-JEFF.
Shipping Options and Delivery Time
Do You Offer Expedited Shipping?
Yes! At checkout, you can select from different shipping options:
- Standard Shipping: Free for orders over $100.
- Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.
How Long Does Delivery Take?
- Handling Time: Most orders are processed and shipped within 1 business day after receiving cleared payment. Occasionally, additional handling time may be required, but we’ll notify you if that’s the case.
- Standard Shipping: Typically takes 3-5 business days, though delivery may be affected by extreme weather or holidays.
What Happens If My Package Is Undeliverable?
If your package is refused or marked undeliverable and returned to us by the carrier, you’ll need to pay the full shipping cost to have the package resent. Alternatively, we can refund your order, minus the cost of shipping.
Why Can’t I Track My Order?
If you're having trouble tracking your order:
- Make sure you’ve received the shipping confirmation email with the tracking number.
- Log into your account on our website and use the “Check Your Order Status” button.
- If the issue persists, please refer to our detailed guide on tracking your order or contact our customer service team for further assistance.
