Customized Class A and B power amplifiers,Class A and B power amplifiers Manufacturer

What upgrades are there in AD-1PA+ compared to AD-1PA? Nov 22, 2025
What upgrades are there in AD-1PA+ compared to AD-1PA? AD-1PA+ is a Hi-Fi stereo amplifier with Class A/AB mode, high power transformer, transistors and capacitors. It was designed by Tonewinne...
Which subwoofer is better, SW-1000 or SW-D2000? Dec 25, 2025
Which subwoofer is better, SW-1000 or SW-D2000? Subwoofers come in two types: active (with a built-in amplifier) and passive (requiring an external amplifier). The Chinese brand Tonewinner meet...