HA14K 14000W 2-Channel Professional Subwoofer Power Amplifier with PFC Switching Power Supply
Product Overview
The HA14K is a high-power 2-channel professional audio power amplifier designed for subwoofer systems, touring sound, live events, nightclubs, theaters, churches, arenas, and large-scale PA applications. Delivering up to 2 × 2350W at 8Ω, 2 × 4400W at 4Ω, and 2 × 7000W at 2Ω, it provides strong bass output, high headroom, and reliable performance for demanding sound reinforcement systems.
Built with a high-efficiency Class TD output circuit and an advanced PFC switching power supply, the HA14K helps maintain stable output even when power conditions are not ideal. Its compact size, lighter weight, efficient cooling system, and complete protection design make it suitable for both mobile rental systems and fixed installations.
Key Features
1. Powerful 14000W Output
The HA14K delivers massive power for professional subwoofer and PA systems, with strong low-frequency performance and excellent dynamic response for concerts, festivals, clubs, and large venues.
2. Active PFC Switching Power Supply
The built-in PFC power supply improves power efficiency and helps regulate current draw from the power grid. This allows the amplifier to deliver more stable performance when voltage conditions fluctuate, while reducing stress on internal components.
3. High-Efficiency Class TD Design
The Class TD amplifier circuit combines high power output with improved efficiency, reduced heat generation, and stable long-term operation, making it ideal for continuous professional use.
4. Premium Components
The HA14K is built with high-quality components, including original ON transistors, pure copper heatsinks, Neutrik input connectors, and heavy-duty binding posts for reliable signal transmission and strong current handling.
5. Efficient Cooling System
An intelligent cooling system and 100% pure copper heatsink design help control internal temperature, ensuring stable performance during long operating hours and high-power output.
6. Comprehensive Protection
Built-in protection includes short-circuit protection, DC protection, thermal protection, turn-on/off transient protection, current inrush protection, overload protection, and warning indicators to protect both the amplifier and connected loudspeakers.
7. Professional Connectivity & Monitoring
The HA14K features balanced XLR inputs, Speakon outputs, binding post outputs, signal indicators, clip indicators, and protection indicators, making it easy to integrate into professional touring racks, installation systems, and large PA setups.
Applications
The HA14K is ideal for:
- Professional subwoofer systems
- Concerts and music festivals
- Touring and rental sound systems
- Nightclubs, bars, and entertainment venues
- Stadiums, arenas, and convention centers
- Theaters, churches, and houses of worship
- Corporate events and conference systems
- Line array and full-range PA speaker systems
- Large-scale DJ sound reinforcement
- Fixed installation audio projects
Why Choose the HA14K?
The HA14K is designed for professional users who need powerful bass output, stable performance, and long-term reliability. Its 2-channel high-power design, Class TD output circuit, PFC switching power supply, efficient cooling system, and complete protection functions make it a dependable choice for demanding professional audio environments.
Whether used for touring systems, rental projects, nightclubs, live concerts, or fixed installations, the HA14K delivers the power, control, and durability required for modern professional sound systems.
Technical Specifications
| Item | HA14K |
|---|---|
| 8Ω Stereo Power RMS | 2 × 2350W |
| 4Ω Stereo Power RMS | 2 × 4400W |
| 2Ω Stereo Power RMS | 2 × 7000W |
| 8Ω Bridge Power RMS | 8800W |
| 4Ω Bridge Power RMS | 14000W |
| Channels | 2 |
| Output Circuit | Class TD |
| Frequency Response | 20Hz–34kHz, +0 / -0.3dB, 1W / 8Ω |
| THD+N, 1kHz | <0.1% |
| Signal-to-Noise Ratio | >112 dBA |
| Channel Separation at 1kHz | >70dB |
| Input Connectors | 3-pin XLR, balanced |
| Output Connectors | Speakon and binding posts |
| Protection | Short circuit, DC voltage, turn-on/off transient, current inrush |
| Operating Voltage | 130–265V / 65–135V selectable |
| Input Impedance | 20kΩ |
| Level Adjustment | Front-panel potentiometer, 31-position detented from -∞ to 0dB |
| Packing Size | 570 × 580 × 180mm, 1pc / carton |
| Net Weight | 13kg |
| Gross Weight | 18kg |
