SKU: 10330796271

Douk Audio A100 TPA3255 300W Digital Mono/Stereo Bass Power Amplifier

Sale price$8325.00 Regular price$9250.00
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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25

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Description

Douk Audio A100 TPA3255 300W Digital Mono/Stereo Bass Power AmplifierProduct Description TOP LEVEL Parameters to Truly Reproduce the Sound: Douk Audio A100 amplifier adopts the most cutting edge technology in all aspects. The rated power is up to 240W@4 in stereo and 315W@4 in mono, it incredibly achieves a THD as low as 0. 002%, a SNR of 115dB and a SINAD of 94dB on the premise of its powerful features and strong flexibility, far ahead of other similar ones. Exclusive Heat Dissipation Patent: Integrates the heat sink

Product Description

  • TOP LEVEL Parameters to Truly Reproduce the Sound: Douk Audio A100 amplifier adopts the most cutting-edge technology in all aspects. The rated power is up to 240W@4Ω in stereo and 315W@4Ω in mono, it incredibly achieves a THD as low as 0.002%, a SNR of 115dB and a SINAD of 94dB on the premise of its powerful features and strong flexibility, far ahead of other similar ones.
  • Exclusive Heat Dissipation Patent: Integrates the heat sink seamlessly with its body and significantly expands the cooling area to achieve more direct and efficient airflow contact, allowing heat to be effectively dissipated through the casing and unleash the performance of TPA3255. The case won't be obviously warm even at continuous high power output compared with other similar amplifiers on the market.
  • Innovative and Strong Playability: With MONO/STEREO and BASS/FLAT switch, A100 supports four working modes to adapt flexibly to diverse scenarios. Additional AUX output makes it easy to drive all subwoofers and speakers and build all multi-channels systems (1.0/2.0/2.1/2.2/4.0/5.1...). A100 also features Super Bass and SW-FREQ knobs to freely adjust the bass gain and cutoff frequency to achieve a more shocking bass experience.
  • PFFB Design and Optimal 4-layer PCB Layout: Adopts post-filter feedback technology (PFFB), effectively overcomes the common load dependency issues of Class-D amplifiers, significantly reduces distortion and enhances linearity, frequency response, sound purity and system efficiency. It also utilizes 4-layer premium immersion gold PCB, boosts signal stability and enhances performance and interference resistance for superior sound output.
  • Custom-made 48V Power Adapter and High-end Components: Limited to heat dissipation and its power adapter, most TPA3255 amplifiers cannot output ideal power. Douk Audio also specially tailored a high-efficiency 48V power adapter for A100 to perfectly maximize TPA3255's performance. It also uses Japanese Rubycon, ELNA, German WIMA capacitors and high-precision potentiometer etc. to get exceptional audio quality.

Specifications
  • Exclusive Patented for Heat Dissipation
  • Innovative and Versatile Four Working Modes
  • TI TPA3255 and PFFB design
  • Richer Connectivity and Adjustment
  • Swappable Op-amps and More Details

***Included 48V 5A Power Adapter

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 10330796271

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4.2 ★★★★★
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Verified Purchase
niresha allen
Phoenix, US
★★★★★ 5
Awesome
Organization is good fit for all my jewels
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026
T
Verified Purchase
thyroyalreader
Lowell, US
★★★★★ 5
My fave ever
I bought this to travel for a summer camp and still use it, two years later! It is now my everyday jewelry container. The gold clasp has held up well and closes well. Very easy to use and structurally sound! I love the color and overall vibe of it too- very straight forward. I use the top portion for long earrings, so know if you do that, it can be finnicky, if you have fun or funky shaped earrings- so just know they may get caught but it's such an easy fix. I would say it is about the size of half of an American Girl doll. Maybe around the size of half a goose.
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Reviewed in the United States on May 8, 2026
K
Verified Purchase
kasxoxo
Draper, US
★★★★★ 5
Love this! Sturdy and elegant
I have a small selection of jewelry pieces I wear but I needed something that would keep them all together in one place. This jewelry box is fantastic! And It fits two pairs of sunglasses on the bottom compartment. I like that there’s a little tab to help pull up the top part. It was actually a bit bigger than expected which is a good thing. And still small enough for traveling. The necklace tabs are sturdy and hold them in place. I’m very satisfied with my purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2025
S
Verified Purchase
Sritika Chakladar
Port Orchard, US
★★★★★ 5
Practical jewelry box
This jewelry box is both beautiful and functional. The finish looks elegant, and the compartments are well thought out for rings, earrings, and necklaces. It keeps everything organized and easy to find. The size is perfect to be carried for travel.
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Reviewed in the United States on August 14, 2025
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Alcyon
Birmingham, US
★★★★★ 5
Get Bejewelled
This box is very nice. It feels sturdy. The color is true to the product picture and the material feels nice. The size is as expected. This was a gift for a young woman; she loved it and that it was cute enough to "fill space" while also being functional.
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Reviewed in the United States on July 8, 2025

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