HiFi Sound with Adjustable High-Pass Filter: This TPA3255 amplifier features an adjustable high-pass filter (HPF) 30-200Hz to refine mid-high frequencies while minimizing low-frequency interference. Perfect for bookshelf or passive speakers, it enhances clarity and creates a dynamic soundstage ideal for home stereo and theater audio systems. Easy Customization with Plug-and-Play Op-Amps: Upgrade your sound effortlessly! Douk Audio A5 includes a tempered glass access panel for quick op-amp replacements, allowing audiophiles to tailor sound profiles without disassembling the unit.
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Douk Audio A5 TPA3255 Stereo Amp HiFi Audio Class D Amplifier High-Pass Filter Home Power Desk Amp 300W with 32V/5A Power Supply
Aliexpress UK
The roughly palm-sized 2-channel mini power amplifier QUANTUM QM-TWO amazed ESX fans and experts in the car hi-fi scene as soon as it was introduced. After the improved V2 version topped that again last year with an incredible 300 W RMS power, ESX is now following up with two more models in the QM class: The powerful QM-FOUR power amplifier is now available for 4-channel applications, and anyone who wants to drive a separate subwoofer can now choose the new QM-ONE monoblock.
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Fosi Audio 2 Channel TPA3116D2 Stereo Audio Class D Amplifier 50W X 2 - V1.0 Power Amplifier For Home Passive Speakers
Aliexpress UK
Amplify your audio experience with Pioneer's new Class-D Amplifier. Pioneer's Class-D amplifier automatically selects an input signal mode between the RCA level and the speaker level detecting an input signal.
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LA12X 4Channels Digital Power Amplifier with DSP 10000 Watts Class-D Amplifiers For Professional Audio Speakers Subwoofers
Aliexpress UK
Mono Class D Digital Amplifier. 1 x 300/450/600 watts RMS @ 4/2/1Ω. Technical data. Phase Shift 0-180°. Master/Slave Link Mode.
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Fosi Audio TPA3255 Bluetooth Sound Power Amplifier 300W x2 Mini HiFi Stereo Class D Amp Bass Treble For Home Theater
Aliexpress UK
it seems new I dont know if it has even been used tbh
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Fosi Audio Bluetooth TPA3116 Sound Power Amplifier 2.1CH 100W Mini HiFi Class D Amp Bass Treble With U-Disk Remote Control BL20A
Aliexpress UK
Helix M One Mono Subwoofer Amp 1 Channel Class D Amplifier up to 600w RMS 1 Ohm HELIX M ONE 1 Channel Class D Amplifier HELIX M ONE Small, efficient and uncompromisingly stable – the M ONE is a highly compact monoblock for subwoofer applications.
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Douk Audio NS-04G PRO HiFi 2.0 Channel Mini Class D TPA3116 Digital Amplifier Stereo Audio Amp 100W*2 For Speaker
Aliexpress UK
ESX is so good at building Class D amplifiers that the QS-TWO has a sensational efficiency of up to 90% and is free from EMC interference. The modern technology saves power, relieves the vehicle's electrical system and protects the high-quality components from overheating.
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mifa A90 Green Bluetooth Speaker 60W Output Power Bluetooth Speaker with Class D Amplifier Excellent Bass Performace
Aliexpress UK
However, these have to be much more compact and efficient. Depending on the subwoofer installed, you can choose between a 4 or 2 Ω version, otherwise the modules are identical. With a whopping 460 W/RMS for the 4 Ω and 475 W/RMS for the 2 Ω model, even very power-hungry subs can be powered - and with an impressively high efficiency of up to 84%.
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2*25W Portable Stereo Vibration Speaker Audio Loudspeaker with 50W Bluetooth 5.0 Class D Amplifier DIY HIFI System Home Theater
Aliexpress UK