The HA 500 supports multiple operating modes, including dual independent single-ended outputs, parallel outputs, and single-channel bridge mode, making it versatile for a wide range of setups. With a frequency response of 20 Hz to 20 kHz, a signal-to-noise ratio of over 100 dB, and ultra-low total harmonic distortion (<0.5%), this amplifier ensures outstanding audio clarity and vocal intelligibility, even in demanding environments. To protect both the amplifier and connected systems, the HA 500 incorporates a suite of advanced safety features. These include protection against short circuits, RF interference, and on/off muting, alongside a temperature-controlled variable-speed fan cooling system with front-to-back airflow. This design maintains optimal operating temperatures, ensuring consistent performance regardless of environmental conditions or output demands. Equipped with speakON connectors, binding post terminals, and XLR input and loop-thru connections, the HA 500 integrates seamlessly into mobile and permanent setups. Its slim and lightweight design (88 x 482 x 239 mm, 9.6 kg) maximizes space efficiency in rack-mounted configurations while ensuring durable performance.

Performance

• Power Output (8 Ohms, Both Channels Driven): 2 x 150 W
• Power Output (8 Ohms, Bridged): 500 W
• Power Output (4 Ohms, Both Channels Driven): 2 x 250 W
• Frequency Response: 20 Hz – 20 kHz, +0 / –1 dB
• Total Harmonic Distortion: < 0.5% (20 Hz – 20 kHz)
• Signal to Noise Ratio: > 100 dB (20 Hz – 20 kHz)
• Voltage Gain: 27 dB
• Damping Factor: > 200 @ 10 Hz – 400 Hz

Electronics and Connectors

• Amplifier Channels: 2
• Input Impedance: 20 kohms
• Controls: Power On/Off, Gain Pots
• Cooling: Internal heat sinks with forced air (fan cooled)
• Amplifier Protections: Short circuit, no-load, on/off muting, RF interference protection
• LED Indicators: Power, Protection, Signal, Clip
• Audio Signal Input Connector: 2 x Female XLR
• Audio Signal Loop Thru Connector: 2 x Male XLR
• Speaker Output Connector: 2 x speakON
• AC Input Connector: IEC
• Current Draw: 230 V / 115 V — 2.8 A / –

• Dimensions ( H x W x D ):88 x 482 x 239 mm | 3.5 x 19.0 x 9.4 in
• Net Weight:9.6 kg (21.2 lb)

• Carton Dimensions ( H x W x D ):160 x 580 x 540 mm | 6.3 x 22.8 x 21.3 in
• Shipping Weight: 11.5 kg (25.3 lb)