QSC Pro audio KS112
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The essentials to know about the QSC KS112 active subwoofer
The essentials to know about the QSC KS112 active subwoofer
- 6th-order bandpass design with a 12-inch loudspeaker for deep, punchy bass (128 dB max SPL).
- 1000 W RMS Class D amplification (2000 W peak) and advanced DSP for consistent performance.
- Professional connectivity: 2 XLR/6.35 mm jack combo inputs and 2 XLR “Loop-thru” outputs for easy daisy-chaining.
- 15 mm birch plywood cabinet, 35 mm pole mount socket and convenient portability (28.40 kg).
Manufacturer Information
QSC Pro Audio
https://www.qsc.com
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Safety manager:
Algam SAS
Email: contact@algam.net
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Essential Information About the QSC KS112 Active Subwoofer
- 6th order bandpass design with a 12-inch speaker for deep and punchy bass (Max SPL 128 dB).
- Class D amplification delivering 1000 W RMS (2000 W peak) and advanced DSP for consistent performance.
- Professional connectivity: 2 combo XLR/6.35mm Jack inputs and 2 XLR "Loop-thru" outputs for simplified chaining.
- 15 mm birch plywood enclosure, 35 mm pole mount socket, and thoughtful portability (28.40 kg).
The KS Series, a New QSC Benchmark for Modern Sound Reinforcement
With the KS series, QSC introduces a generation of subwoofers designed to maximize bass reproduction in real-world sound reinforcement scenarios. The KS112 stands out as a compact and powerful cabinet, combining an optimized bandpass design, robust electronics, and the reliability that has made QSC renowned for over 50 years.
Recommended Use: Mobile Providers, DJs, and Small to Medium Venues
The QSC KS112 is suitable for mobile providers, DJs, bands, and venues hosting concerts or music playback. It effectively reinforces the low-frequency range of a full-range system, whether in a portable setup or fixed installation, where impact, clarity, and ease of use are priorities.
Technical specifications
| Battery | No | EQ | Yes |
| Frequency response - start | 41 Hz | Baseplate width | 35 mm |
| Frequency response - end | 108 Hz | Cutaway | No |
| Category | Soundsystem | SPL max | 128 dB |
| Type | active subwoofer | Speaker structure | wood |
| Peak power | 2000 W | Transport | 2 handles |
| Number of channels | 1 channel | Inputs | 2 x XLR, 2 x combo XLR/jack |
| Amplification | Active amplified | Outputs | 2 x XLR |
| Application | Facade | Color | Black |
| Bluetooth | No | Finishing | Black & chrome |
| Connection | Combo, XLR Link, XLR | Power output | 1000 W |
| Speaker diameter | 12" | Weight | 28.4 kg |
| Number of speakers | 1 | Dimensions (mm) | 394 x 616 x 622 |
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Questions frequently asked
Does the QSC KS112 go low enough for a DJ or band?
The frequency response reaches 41 Hz at -6 dB and 38 Hz at -10 dB. The 6th-order band-pass architecture focuses energy in the useful bass range to reinforce a front-of-house system.
What power and sound level does this active subwoofer deliver?
The class D amplification delivers 1000 W RMS and 2000 W peak. The maximum SPL rating is 128 dB at 1 m.
What XLR connections are available on the KS112?
Two XLR inputs and two XLR outputs allow integration within a sound reinforcement system. Combo connectors are also provided for easier connection.
Can a satellite speaker be mounted on this subwoofer?
A 35 mm pole mount is integrated to accommodate a speaker pole. The 15 mm multi-ply birch construction supports this configuration.
Is the KS112 easy to transport?
With a net weight of 28.40 kg, this size remains suitable for mobile use. Two handles are provided for handling. Its dimensions are 394 x 616 x 622 mm. The cover, linking tube, and protective grille are sold separately.
