The Audac EPA104 is a compact and energy-efficient quad-channel Class-D power amplifier, delivering 4 x 100 watts of output power. Designed for both fixed and mobile installations, it is suitable for applications such as clubs, pubs, restaurants, bars, warehouses, retail stores, public buildings, and offices. Its lightweight design and single rack space requirement make it an ideal choice for various audio distribution needs.
Constructed with a robust steel 19-inch, 1U rack-mountable chassis, the EPA104 ensures durability and reliability. The convection-cooled design eliminates the need for internal fans, reducing maintenance requirements and ensuring silent operation. Its compact depth of 330 mm and weight of 4.5 kg facilitate easy integration into standard equipment racks.
| Specification | Details |
|---|---|
| RMS Power Output (4Ω Stereo) | 4 x 100 W |
| RMS Power Output (8Ω Stereo) | 4 x 50 W |
| RMS Power Output (8Ω Bridged) | 2 x 200 W |
| Frequency Response | 20 Hz - 20 kHz |
| Signal-to-Noise Ratio | > 90 dB |
| Total Harmonic Distortion | < 0.1% @ 1 kHz, 1/2 rated power |
| Crosstalk | > 70 dB |
| Input Sensitivity | 0 dB (1V RMS) |
| Input Impedance | 12 kΩ balanced |
| Cooling System | Convection cooled |
| Power Supply | 100-240V AC, 50/60 Hz |
| Power Consumption | 188 W (1/3 MOP at 1 kHz) |
| Dimensions (W x H x D) | 482 x 44 x 330 mm |
| Weight | 4.5 kg |
The EPA104 delivers high-quality audio amplification with minimal distortion, ensuring clear and reliable sound reproduction. Its user-friendly interface, featuring front panel controls with LED indicators for signal presence, clipping, and protection status, allows for straightforward operation and monitoring. The amplifier's versatility in output configurations and integrated crossover network make it adaptable to various audio system designs, enhancing the overall user experience.
Q: Can the EPA104 drive both low and high impedance speakers?
A: Yes, it supports 4Ω and 8Ω stereo loads and 8Ω bridged operation, suitable for various speaker types.
Q: Is the EPA104 fan-cooled?
A: No, it uses convection cooling, making it silent and suitable for noise-sensitive environments.
Q: Does the amplifier include any built-in crossovers?
A: Yes, it features an integrated active crossover with selectable HPF/LPF to support sub/top speaker setups.
Q: What safety protections are included?
A: The EPA104 is equipped with circuitry to protect against DC faults, overheating, overloads, and short circuits.
Q: Can the amplifier be used in rack-mounted installations?
A: Absolutely. Its 1U rack-mountable form factor fits perfectly into standard 19-inch racks for professional installations.
