PA speakers
QSC K8.2 8-inch Active PA Loudspeaker
The QSC K8.2 is a single two-way active PA loudspeaker built around a 8-inch cone woofer and a compression driver with a 1.4-inch titanium diaphragm. QSC specifies a Class-D amplifier with 1,800W peak output for low frequencies and 225W peak for high frequencies; these figures are peak ratings rather than continuous amplifier output. Its maximum rated sound pressure level is 128dB peak, measured on-axis at one metre with dynamic pink noise. Frequency response is 59Hz to 20kHz at −6dB, while the wider frequency range is 55Hz to 20kHz at −10dB. Nominal axisymmetric coverage is 105 degrees. Two locking XLR/TRS combination inputs provide selectable MIC/LINE and HI-Z/LINE operation, and a separate 3.5mm stereo input has its own level control. Two XLR throughput outputs and one mixed XLR output support connection to additional equipment. Factory presets, user EQ, delay and saved scenes are accessed through the LCD and controls. The impact-resistant ABS cabinet supports main-PA or floor-monitor use, with dual pole cups for straight or 7.5-degree downward tilt and integrated M10 mounting fittings. QSC specifies a universal 100–240V AC, 50–60Hz supply with a locking IEC power connection and variable-speed fan cooling. Cabinet dimensions are 449 × 280 × 269mm and net weight is 12.2kg. This is one speaker, not a pair; covers, yokes and other mounting accessories are optional rather than promised included.
- Single K8.2 powered loudspeaker with 8-inch woofer
- 1.4-inch titanium diaphragm compression driver
- 128dB peak SPL; 105° axisymmetric coverage
- 1800W LF/225W HF peak Class-D amplification
- Three input channels with XLR throughput and mix output
- LCD presets, EQ, delay and saved scenes
Handling and delivery: 2–5 days via DHL or FedEx. Free UK delivery.
- Manufacturer reference
- K8.2
- EAN / GTIN
- 0684284071026
Technical specifications
- Configuration
- Single two-way active 8-inch loudspeaker
- HF transducer
- 1.4-inch/35.6mm titanium diaphragm compression driver; not an exit measurement
- Amplifier
- Class D; LF1800W peak/HF225W peak; no continuous output invented
- Maximum SPL
- 128dB peak; on-axis at1m, dynamic pink noise
- Frequency response (−6dB)
- 59Hz–20kHz
- Frequency range (−10dB)
- 55Hz–20kHz
- Coverage
- 105° axisymmetric
- Inputs
- 2 locking XLR/TRS combos (MIC/LINE and HI-Z/LINE); 3.5mm stereo
- Outputs
- 2 XLR loop-through; 1 mixed XLR output
- Processing
- DMT, Intrinsic Correction, factory presets, EQ, delay and scenes
- Controls
- 3 level controls, rotary encoder, selection buttons and LCD
- AC input
- 100–240V AC,50–60Hz universal power supply; locking IEC
- Cooling
- Low-noise variable-speed fan
- Enclosure
- Impact-resistant ABS; steel grille
- Mounting
- Dual pole cups:0°/7.5°;2 M10 inserts and pullback; floor monitor
- Dimensions H × W × D
- 449 × 280 × 269mm
- Net weight
- 12.2kg
- Package scope
- One loudspeaker; covers/yokes/rigging kit optional


