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Description
Audiopipe APHF-500.4D-H2 Full-Range Class-D Mosfet Car Amplifier 4 x 500W RMS @ 2-OhmAudiopipe APHF 500. 4D H2 4 Channel High Frequency Amplifier 2000W RMS, Full Range Class D The Audiopipe APHF 500. 4D H2 is a competition grade, 4 channel amplifier designed for extreme audio systems that demand high power and crystal clear frequency response. Utilizing high efficiency Full Bridge Class D topology, this amplifier delivers a massive 500 Watts RMS per channel at 2 ohms, providing the authority needed to drive large arrays of pro audio
Audiopipe APHF-500.4D-H2 4-Channel High Frequency Amplifier – 2000W RMS, Full-Range Class DThe Audiopipe APHF-500.4D-H2 is a competition-grade, 4-channel amplifier designed for extreme audio systems that demand high power and crystal-clear frequency response. Utilizing high-efficiency Full Bridge Class D topology, this amplifier delivers a massive 500 Watts RMS per channel at 2-ohms, providing the authority needed to drive large arrays of pro-audio speakers or high-output component sets. As part of the High Frequency series, it features a wide 20Hz to 20kHz response and flexible crossover controls, allowing you to bridge channels to power massive subwoofers or run an entire "loud and clear" system. With integrated thermal management and a built-in clipping indicator, the APHF-500.4D-H2 is built for sustained, high-decibel performance.
Key Features
- High-Power 4-Channel Configuration: Engineered for versatile pro-audio and competition builds
-
Power Handling (RMS @ 14.4V):
- 500W x 4 @ 2Ω
- 300W x 4 @ 4Ω
- 1000W x 2 Bridged @ 4Ω
- Full Bridge Class D Topology: Brazilian-style design offers maximum power density and high electrical efficiency
- Full-Range Frequency Response: 20Hz – 20kHz, ideal for mid-range speakers, tweeters, or subwoofers
-
Comprehensive Audio Tuning:
- Variable High Pass Filter: 50Hz – 4kHz (12dB/Oct)
- Variable Low Pass Filter: 50Hz – 4kHz (12dB/Oct)
- Adjustable Bass Boost: 0–12dB @ 35Hz – 90Hz
- Integrated Clipping Monitor: Built-in LED and remote knob indicator to prevent speaker-damaging distortion
- Installation Ready: Includes an external 150A ANL fuse and high-quality fuse holder
- Heavy-Duty Construction: Robust aluminum heatsink for superior thermal dissipation
- 4-Point Protection: Thermal, short circuit, over-voltage (16V), and under-voltage (9V) protection
- Signal-to-Noise Ratio: ≥80dB
- Dimensions: 13.0" L x 9.0" W x 2.9" H
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Unisex
Size: One Size, Color: White, Size: One Size, Color: White
I’d definitely call this a unisex hat, I like it as much as my husband does! Nice true white, the embroidery is great and it’s a classic style. This is very well made and comfortable, I would purchase in additional colors!
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Reviewed in the United States on May 10, 2025
★★★★★ 4
Yeehaw Energy Activated
Size: One Size, Color: White
Put this on and suddenly I feel like I need to buy a truck and start two-stepping. Sharp design, solid fit, and the spurs logo gives just enough Western flair without yelling “rodeo clown.”
One star off because the white gets dirty faster than a cowboy’s boots after a rainstorm. Still, great hat if you're chasing cowboy cool.
Also, have had a few people ask where I got the Texas Longhorns hat...
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Reviewed in the United States on May 13, 2025
★★★★★ 5
Great buy
Color: Blue Slant Check, Size: Medium
Very nice material. Washes well and even travels in a suitcase without wrinkling. Color is as described and fits well. Great buy for the price.
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Soft and vibrant
Color: Blue/Yellow, Size: Medium
The material feels great and the colors are great. The fit is true to size . Nice addition to my son’s golf shirt selection.
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Reviewed in the United States on March 22, 2026
★★★★★ 4
Thick quality polo shirt, just maybe not for Golfing.
Color: Black/Blue, Size: Medium, Color: Black/Blue, Size: Medium
This shirt was a lot thicker than I imagined. It's built well and fits as intended, but as far as a golf shirt it is quite heavy, and I would feel as though it would cause overheating or sweating. Very thick shirt, possible better for colder golfing days and still look good. I enjoy the color and pattern. It is soft and comfortable, again just a little thinker than anticipated, not a quick dry material, but a fully cotton blend. Decent value for the money and would consider pitching others in the future but most likely not for golfing in general.
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Reviewed in the United States on May 23, 2026
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