Active speakers
Active speakers contain their own amplifier to drive the speaker, which will be matched by impedance and power handling. This makes them a simple solution for distributed audio systems.
QS Series Active Moulded Speaker Cabinets
178.569UK
QS15A
Active speaker cabinets with tough yet lightweight ABS enclosures, designed to satisfy the demands of the modern DJ or musician. Each enclosure has a trapezoidal design with easy-carry handle and 3...
- Lightweight ABS enclosure
- Built-in amplifier
- 2 x balanced mic inputs via XLR or 6.3mm jack sockets
QS Series Active Moulded Speaker Cabinets
Active speaker cabinets with tough yet lightweight ABS enclosures, designed to satisfy the demands of the modern DJ or musician. Each enclosure has a trapezoidal design with easy-carry handle and 35mmØ top hat for stand mounting.
- Lightweight ABS enclosure
- Built-in amplifier
- 2 x balanced mic inputs via XLR or 6.3mm jack sockets
- Line input via balanced XLR or twin unbalanced RCA connections
- Balanced line output via XLR or jack
- Mic. volume, treble, bass and master volume controls
- Low impedance compression horn driver
- Trapezoidal design
- M8 rigging points
- 35mmØ top hat with locking screw
- Supplied with stands for use as a wedge monitor
- Rigid steel grille
- Easy-carry handle
- Power supply 230Vac, 50Hz (IEC)
- Fuse T3.15AL
- Supplied Single
- Crossover frequency 3kHz
- Dispersion 105 x 55°
- Input sensitivity 1V (p-p)
- System Full Range
- THD <3%
Versions
| 178.565UK | 178.569UK | |
|---|---|---|
| Woofer | 300mm (12'') | 380mm (15'') |
| Tweeter | 25mm (1") | 35mm (1.38") |
| Power max. | 500W | 700W |
| Power rms | 250W | 350W |
| Frequency response : -3dB | 55Hz - 18kHz | 50Hz - 18kHz |
| Model | QS12A | QS15A |
| Frequency response : -10dB | 50Hz - 20kHz | 45Hz - 20kHz |
| SPL @ 1W/1m | 96dB | 99dB |
| Dimensions | 595 x 420 x 320mm | 690 x 460 x 400mm |
| Weight | 18.5kg | 26.0kg |
Support : articles
Speaker system types
Our speaker and amplifier products cover many environments and applications with a focus on clear and efficient sound coverage. Here we discuss the different types of systems
Amplifier Classes
There have been many developments in audio electronics, resulting in different amplifier circuit designs. Such designs can be divided into classes, of which 4 main types are relevant to audio – A, AB, H and D.
Power Ratings: RMS vs Max vs Peak
A summary explaining the key differences between RMS, Max and Peak power ratings.
Downloads
Instruction manual
For 178.569UK (262KB)
For 178.569UK (262KB)
UK Declaration of conformity
For 178.569UK (248KB)
For 178.569UK (248KB)
EU Declaration of conformity
For 178.569UK (237KB)
For 178.569UK (237KB)
