CEN

Zapco HB 501D II Mono Sub Amp 1 Channel Class D Subwoofer Amplifier 1x300w RMS

Zapco HB 501D II Mono Sub Amp 1 Channel Class D Subwoofer Amplifier 1x300w RMS - Main image
$179.25 $239 In stock

Category: Amplifier

HB 501D II

Mono Class D Amplifier

Mono, Class D, RCA and Speaker Level inputs, Variable input gain control, variable electronic crossover and Variable bass boost and subsonic filter

  • Power @ 4Ω: 1 x 300 watts RMS
  • THD @ Rated Power < 0.5%THD
  • Power @ 2Ω: 1 x 500 watts RMS
  • Signal to Noise Ratio > 90dB
  • THD + Noise < 0.1%
  • Frequency Response 20Hz to 180Hz ±1dB
  • Input Sensitivity .25v to 6v (Low)
  • Dimensions (mm): 175 (L) x 115 (W) x 45.5 (H)
Ready to check out

Review the selected option and total at checkout.

Delivery to you

Allow time for the store to prepare your order before transit begins.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy
Talking through a refund

Send the store your order number and the reason for your request.

Please contact us for the refund processing timeframe before returning an item.

View policy
Your shipping options

Choose from the delivery options available for your address.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy
Before you return a product

Check the conditions for your product before sending it back.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

View policy

Customer Reviews (4.4 / 5 · 5 reviews)

James ★★★★★

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.

Daniel X. ★★★★★

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.

Claire A. ★★★★★

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