HFT-21BP
Active High power subwoofer
Features
• Low distortion, high power
• Compact structure
• Mobile Use
Application
• Large and Medium-Sized Mobile and Fixed AV Systems
• Concert halls, live performances
• Theme parks, sports stadiums
• Clubs, etc.
The HFT-21BP features a high-performance, high-power, versatile, and exceptionally compact cabinet design, equipped with a premium-quality 21-inch (100mm voice coil) subwoofer. It includes a dual-channel 2x1000-watt DSP amplifier that can bridge to drive the 21-inch, delivering ultra-high power in Class D for deep, robust bass with excellent dynamic response. The amplifier also comes with built-in protection features, ensuring safe and reliable operation.
The HFT-21BP suspension component is designed to complement the HFT-520; in addition to serving as a dedicated subwoofer for the HFT-520, it can also be used independently.
| Unit Configuration | 21-inch (100mm voice coil) woofer |
| Frequency Response (-10 dB) | 28Hz-120Hz |
| Sensitivity | 99dB |
| MAX SPL | 138dB (using the [HFT-21B] DSP preset) |
| Rated Impedance | 8Ω |
| Input interface | 2 Neutrik 4-pin sockets |
| Built-in mode | 【HFT-21BP_100】, 【HFT-21BP _60】, 【HFT-21BP _100C】, 【HFT-21BP _60C】 |
| Dimensions (Height × Width × Depth) | 585mm x 738mm x 710mm |
| Weight | 53kg |
| Input Method | 1±: LF, 2±: No connection |
| Lifting Method | Patent Lifting System |
| HFT-21BP Amplifier | Class-D Power Amp Peak 2 x 1100 W @ 8Ω DSP |
| IN/OUT | 2IN 2OUT |
| Gain | 32dB |
| Bit rate/Sampling rate | 24BIt/96KHz |
| Factory presets | 4 modes |
| Voltage limiter | RMS, Peak, Thermal |
| HFT-21BP CAD | ![]() |
HFT-21BP.doc
HFT-21B CAD(1).dwg
Application Cases
Product Consultation
Please ensure the information is filled in accurately and keep the lines of communication open—we’ll get back to you as soon as possible.

