USE- AC Power Switch and LED Indicators

AC Power Switch

Above and to the right of the AC entry connector is the Power switch. The switch is labeled POWER ON, above it.

To turn the power on: Press in on the upper portion of the rocker switch. Both DSP-3’s blue Power indicators should illuminate after a brief amplifier startup sequene.

To turn the power off: Press in on the bottom portion of the rocker switch. It may take a few moments for the Power LED’s to extinguish. This is normal.

LED Indicators

Each Processor has two LED indicators, PWR and SIGNAL. The indicators are located on the rear panel of the 215PCM.

PWR- When the 215PCM is connected to a properly rated and working AC supply circuit and is turned on, the blue PWR LED on each of the Processors will illuminate. When the system is powered up correctly, two blue Power LED’s will be visible; one on the Top Box Processor and one on the Sub- woofer processor.

SIGNAL- The SIGNAL LED indicates input signal presence and strength. It is

dual brightness to give an indication ofLED indicators. input signal strength. The SIGNAL LED

will illuminate dimly at -40 dB. At -20 dB it will light brightly.

Power switch.

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QSC Audio ISIS 215SB user manual USE- AC Power Switch and LED Indicators

ISIS 215SB specifications

The QSC Audio ISIS 215SB is a powerful subwoofer designed to meet the needs of live performances, installations, and various audio applications. Engineered with excellence, the ISIS 215SB offers an impactful bass response, making it a reliable choice for professionals in the music and entertainment industry.

At the heart of the ISIS 215SB is its dual 15-inch low-frequency drivers. These drivers are specifically designed to produce deep, resonant bass tones with high efficiency. The subwoofer features a remarkable power handling capacity, allowing it to deliver robust sound levels without distortion. With an impressive peak power rating, the ISIS 215SB can easily handle complex musical passages while maintaining clarity and punch.

One of the standout technologies of the ISIS 215SB is its advanced cabinet design. Constructed from high-density plywood, the enclosure is built for durability and strength. This design minimizes unwanted resonance, ensuring that the audio output remains clean and powerful. The cabinet also features a durable finish that can withstand the rigors of touring and live events, making it an excellent investment for audio professionals.

The ISIS 215SB is also equipped with a sophisticated integrated amplifier that ensures consistent performance across a wide range of frequencies. This amplifier is engineered to work seamlessly with the drivers, providing optimal power distribution and protection from overheating. The result is a subwoofer that can perform reliably in demanding conditions, whether it’s in a concert hall, nightclub, or outdoor event.

Connectivity is another significant aspect of the ISIS 215SB. It includes multiple input options, allowing for easy integration into various audio systems. The subwoofer features speakON connectors, which provide secure and stable connections, reducing the risk of signal loss during performance. This versatility enables the ISIS 215SB to be a formidable component of any sound system.

The design of the ISIS 215SB also prioritizes portability. Weighing comparatively less than many other subwoofers in its class, it comes with built-in handles for easier transportation. This feature is especially beneficial for touring professionals who require mobility without sacrificing sound quality.

In conclusion, the QSC Audio ISIS 215SB subwoofer is a leading choice for those seeking a blend of power, durability, and versatility. Its dual 15-inch drivers, advanced cabinet construction, integrated amplifier, and connectivity options make it an excellent solution for various audio applications, delivering the high-quality low-frequency performance expected from a top-tier audio product.