مضخم زابكو HB 501D II أحادي القناة فئة D لمضخم الصوت 1×300 واط RMS

The bass knob is smooth and the subsonic filter keeps my ported box tight. Even at low gain, it pushes my 300-watt sub cleanly without distortion. Perfect power match for a single small sub setup.

I needed an amp to match my new sub build, and the variable crossover let me dial in the sound perfectly. The bass boost adds just enough punch without getting muddy, even at higher volume.

The subsonic filter is exactly what I needed to keep my midrange speakers from bottoming out, and the crossover knobs give me way more tuning control than I expected at this price. Surprisingly clean signal through the speaker-level inputs, and my subs hit hard without the amp breaking a sweat. A st