Heinrich HPA1240 power amplifier
- 240W RMS output power
- Supports 100V line & 4–16Ω speakers
- Balanced Phoenix & unbalanced inputs
- Built-in protection & LED indicators
- 1U rack-mount for professional use
- Estimated Delivery : Up to 4 business days
- Free Shipping & Returns : On all orders over $200
Upgrade your audio setup with the Heinrich HPA1240, a professional-grade 240W RMS power amplifier designed for clarity, reliability, and versatility. Perfect for PA systems, live events, commercial venues, schools, auditoriums, and houses of worship, this 1U rack-mountable amplifier ensures consistent, high-quality sound performance across India. Built for both low-impedance speakers (4–16Ω) and 100V line systems, is ideal for medium to large-scale audio applications. With balanced Phoenix and unbalanced phone-jack inputs, you can easily connect a wide range of audio sources. The amplifier also supports balanced line output, enabling daisy-chaining to additional amplifiers for larger setups. Safety is paramount with transformer isolation and built-in protection against overload, short circuits, clipping, and over-temperature, ensuring long-lasting, trouble-free operation.
Specifications
| Model | HPA1240 |
| Rated Power Output | 240W |
| Speaker Output | 100V Line Output, 4–16Ω Low-Impedance |
| Input | 10kΩ <1V, Unbalanced Mono Jack & Balanced Input |
| Output (Line Out) | 10kΩ 0.775V (0 dB), Unbalanced Mono Jack & Balanced Output |
| Frequency Response | 60Hz – 15kHz |
| Signal-to-Noise Ratio | > 70 dB |
| THD (Total Harmonic Distortion) | Less than 0.1% at 1kHz, 1/3 Rated Power |
| Cooling System | Auto fan (activates when internal temperature reaches 55°C) |
| Protection Features | Temperature, Overload, Short Circuit & Clipping Protection |
| Power Supply | AC 230V / 110V, 50–60Hz |
| Power Consumption | 324W |
| Dimensions (W × D × H) | 482mm × 420mm × 44mm |
| Weight | 4.5kg |














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