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Description
Audiopipe APHT-1000.4D-H2 Full-Range Class-D Transistor Car Amplifier 4 x 230W RMS @ 2-OhmAudiopipe APHT 1000. 4D H2 4 Channel Full Range Class D Amplifier 2500W Max, 2 Stable The Audiopipe APHT 1000. 4D H2 is a high performance, 4 channel Class D amplifier engineered to deliver powerful, crystal clear audio in a compact chassis. Capable of pushing up to 2500 Watts of Max power, this versatile unit is an ideal choice for powering an entire soundstage of door speakers and tweeters, or being bridged to run a mix of speakers and subwoofers.
Audiopipe APHT-1000.4D-H2 4-Channel Full-Range Class D Amplifier – 2500W Max, 2Ω StableThe Audiopipe APHT-1000.4D-H2 is a high-performance, 4-channel Class D amplifier engineered to deliver powerful, crystal-clear audio in a compact chassis. Capable of pushing up to 2500 Watts of Max power, this versatile unit is an ideal choice for powering an entire soundstage of door speakers and tweeters, or being bridged to run a mix of speakers and subwoofers. Built with advanced MOSFET transistor technology, the APHT-1000.4D-H2 maintains high electrical efficiency and thermal stability, making it perfect for tight installation spaces under seats or in trunks. With its integrated clipping indicator and flexible 90Hz crossovers, this amplifier ensures your system stays "Loud and Clear" without the risk of distortion.
Key Features
- High-Output 4-Channel Design: Perfect for driving four full-range speakers or a bridged 3-channel setup (2 speakers + 1 sub)
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Power Handling (RMS @ 14.4V):
- 230W x 4 @ 2Ω
- 140W x 4 @ 4Ω
- 460W x 2 Bridged @ 4Ω
- Full-Range Class D Technology: High efficiency and minimal heat generation in a space-saving footprint
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Audio Precision & Tuning:
- Variable High Pass Filter: Fixed 90Hz @ 12dB/Octave
- Variable Low Pass Filter: Fixed 90Hz @ 12dB/Octave
- Selectable Bass Boost: 0–12dB @ 55Hz
- System Safety: Integrated LED indicators for Power, Protection, and Clipping (Distortion monitoring)
- Heavy-Duty Terminals: Pro-grade power and speaker connectors for secure, high-current transfer
- 4-Point Protection Circuitry: Thermal, short circuit, over-voltage (16V), and under-voltage (9V) protection
- Installation Ready: Includes a 60A ANL fuse and high-quality fuse holder
- Frequency Response: 20Hz – 20kHz
- Signal-to-Noise Ratio: >85dB
- Dimensions: 8.3" L x 7.9" W x 2.4" 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
4.3 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
Awesome chair so far
Color: Black
My old chair can go in the trash immediately because it set the bar so low (picked up from a giveaway - squeaked anytime it's leaned on, always sinking upon sitting on it). This Ergonomic chair blew it out of the water. Happy with this purchase. This chair took me an hour to assemble, which I expected. It feels extremely sturdy and comfortable. Lumbar support feels great! I love the various adjustability options this chair offers. Hope it lasts for many years.
By the way, I am 175 lbs, 5'10".
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Reviewed in the United States on January 3, 2026
★★★★★ 5
Great product
Color: Black, Color: Black
The directions were so easy to follow i was able to set up the chair in under an hour its very comfortable and perfect highly recommend
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Reviewed in the United States on March 24, 2026
★★★★★ 5
Good buy
Color: Black
Very comfortable. Solid chair. Lumbar support helps a lot. Posture in this chair is great. Lots of support. Seems like a relatively skinny chair though - I wouldn't imagine it to be comfortable for a larger person.
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Reviewed in the United States on March 4, 2026
★★★★★ 3
Check components for imperfections
Color: Black, Color: Black
Just finished putting the chair together, and while there were some nice touches (gloves to wear while assembling) and manual very easy to understand, there are more steps than are customary for a basic chair. However, two main gripes are (1) bought Saturday for $129.99, today it is listed for $89.99 (2) out of the box, the mesh back of the chair has a small tear in it. Unsure if it will end up being a long-term issue, but irritating all the same.
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Reviewed in the United States on February 24, 2026
★★★★★ 5
Amazing chair
Color: Black
Going from a regular office chair to this majestic heavenly office chair, my body hasn't felt better. As a person who is rather on the large side (6'2, 175 pounds), so this chair good butt cushioning, adjustable armrest, the adjustable headrest made this purchase an very good one. I move constantly on chairs so when i found out tthis chair can adapt to my position with a few tweaks i instantly fell in love. Considering that I have jumped and stood on the chair quite the number of times and it still is holding its form just speaks to its sturdiness. I dont believe in buying extremely expensive chairs as a high quality one like this has everything you could wish for.
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Reviewed in the United States on May 4, 2026