Introduction:
The SRSUB15A is the ideal low-frequency reinforcement solution for active speakers sized 10", 12", or 15". With a 500W RMS output, it delivers precise and punchy bass for both live performance and installation setups.
Compact and robust, the subwoofer is protected by a full front grille and features an integrated active filter to optimize performance with wide-band speakers.
Unboxing Contents
The packaging should include the following items:
- SRSUB15A subwoofer
- User manual
- CEE power cable
Installation Guidelines
To ensure proper operation and performance:
- Flat Surface Placement: Install the subwoofer on a stable, flat surface to prevent vibrations and ensure stability.
- Ventilation: Ensure adequate air circulation around the unit to prevent overheating.
- Avoid direct exposure to sunlight.
- Keep away from high temperatures and excessive humidity.
Device Features Overview
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INPUT L and INPUT R:
- Line-level left and right inputs via COMBO XLR/Jack connectors.
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THRU L and THRU R Outputs:
- Line-level passthrough outputs via XLR for daisy-chaining or connecting additional speakers.
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LEVEL Control Knob:
- Adjust the subwoofer’s output volume.
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FREQUENCY Knob:
- Allows cutoff frequency adjustment between 60 Hz and 150 Hz.
- Preset position 75 Hz matches standard wide-band speakers for optimized performance.
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PHASE Switch:
- 180° Phase Inverter to correct phase alignment issues when using multiple subwoofers.
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LED Indicators:
- Power: Lights up when the subwoofer is on.
- Signal: Indicates incoming signal detection.
- Clip: Lights up when the input signal exceeds 0 dB. Adjust volume to prevent clipping.
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VOLTAGE SELECTOR Switch:
- Switch between 220-240V and 100-120V operation.
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FUSE:
- Replaceable fuse for protection:
- 220-240V: T4AL 250V fuse
- 100-120V: T8AL 250V fuse
-
Power Button:
- Switch to power the unit on or off.
-
Power Input Socket:
- Connect the included CEE power cable here.
SRSUB15A Powered Subwoofer – Technical Specifications
The SRSUB15A is a 15-inch powered subwoofer designed for professional audio applications, delivering powerful, precise bass with high reliability and compact construction.
Technical Specifications
Power and Amplification
- Amplifier Power Output:
- 500W RMS continuous power
- 800W Maximum Power
- Amplifier Class: Class D for high efficiency and minimal heat dissipation.
- Power Supply: SMPS (Switched-Mode Power Supply)
- Voltage: 115V/230V~50/60Hz
Acoustic Characteristics
- Frequency Response: 40 Hz – 150 kHz
- Filter Cutoff Frequency: Adjustable between 60 Hz and 150 Hz
- Maximum SPL: 125 dB
Driver
- Woofer Size: 15 inches
- Voice Coil: 4-inch diameter
- Impedance: 8 Ohms
- Power Handling: 800W RMS
Connectivity and Controls
Inputs and Outputs
- Inputs:
- 2 line-level inputs (Left and Right) via COMBO XLR/Jack connectors.
- Outputs:
- 2 line-level outputs (Left and Right) via XLR connectors.
Control Panel Features
- Volume Control: Adjusts the overall output level.
- Cutoff Frequency Adjustment: Fine-tune between 60 Hz and 150 Hz for seamless integration with full-range speakers.
- 180° Phase Inverter: Corrects phase alignment issues when using multiple subwoofers.
LED Indicators
- Power: Indicates the unit is on.
- Signal: Lights up when an input signal is detected.
- Clip: Illuminates when input levels exceed 0 dB.
Protection Features
- Short-Circuit Protection
- Thermal Protection
- Limiter to prevent signal distortion at high volumes.
Construction and Design
- Enclosure: Sturdy cubic plywood housing for durability and resonance control.
- Handles: Two side handles for easy transport.
- Mobility:
- 4 x 80mm caster wheels with brakes for stability during setup.
- 4 rubber feet for stationary placement.
- Pole Mount: 35mm mounting plate on top for speaker coupling rods.
Physical Dimensions and Weight
- Dimensions (HxWxD): 702 x 472 x 560 mm
- Net Weight: 34 kg
Applications
The SRSUB15A is ideal for:
- Live performances and events
- Portable PA systems for DJs and musicians
- Permanent installations in clubs, theaters, and venues
Warnings
- Hearing Risk: Prolonged exposure to high sound levels may result in hearing damage. Operate the subwoofer at safe volume levels.
- Safety Precautions: Ensure the voltage selector matches your power supply before turning on the unit.
The SRSUB15A subwoofer is an excellent choice for professionals seeking high-quality, reliable bass reinforcement in both portable and fixed installations.
