![QSC AP-4122m 12-Inch Surface Mount Install Speaker front](https://cdn11.bigcommerce.com/s-mmffu4sg6a/images/stencil/50x50/products/23294/54483/47845__35364.1679517930.jpg?c=1")
The QSC AcousticPerformance™ AP-4122m is a professional, two-way, fullrange loudspeaker ideal for a variety of portable and installed sound reinforcement applications requiring high power, wide coverage and compact size. The AP-4122m uses a 305mm (12-inch) woofer with 64mm (2.5-inch) voice-coil and a coaxially mounted high power-capacity, 44mm (1.75-inch) voice coil compression driver to deliver exceptional full bandwidth reproduction.
QSC AP-4122m Features
- Directivity Matched Transition® (DMT) in 2-way models ensures smooth, coherent power response across the listening plane
- 3” diaphragm compression driver (1.75" on AP-4122m) delivers a clean and powerful high frequency response
- M10 fittings and yoke mount fittings offer flexible deployment options for a variety of applications
- Pole cup (AP-5122m and AP-4122m)
- Two M20 pole attachment points on AP-212sw
- Clean industrial design with unadorned grilles complement most decors and settings
- NL4 Speakon connector (two on AP-4122m and AP-212sw) and covered barrier strip terminals (except AP-4122m and AP-212sw)
- Bi-amp / passive switchable (passive only on AP-4122m), except AP-212sw subwoofer
- Constructed from 15-ply Baltic birch plywood (15 mm Baltic birch plywood on AP-4122m and AP-212sw)
- 16-gauge powder coated steel grilles
- QSC AP-4122m 12-Inch Surface Mount Install Speaker1
- Frequency response (-10 dB)55 Hz - 20 kHz
- Rated noise power / voltage[1]325 watts / 36 volts rms
- Broadband sensitivity[2]96 dB SPL
- Coverage angle90˚ conical DMT™
- Directivity factor (Q)6.3
- Directivity index (DI)8.0
- Recommended crossoverN/A
- Maximum SPL at 1 m (passive)
- 121 dB continuous[3]
- 127 dB peak[4]
- Rated impedance4Ω
- HF transducer45 mm (1.75-inch) voice coil, compression driver
- LF transducer305 mm (12-inch) driver with 64 mm (2.5-inch) voice coil
- Enclosure details
- Input connector: Two NL4 connectors
- Enclosure material: 15 mm Baltic birch plywood
- Attachment points: Eleven M10 threaded inserts
- Color: Black (RAL 9011)
- Grille: 16-gauge powder coated steel
- Dimensions (H×W×D): 22.5×15.1×14.5" (510×385×370mm)
- Net weight: 39.7 lbs (18.1 kg)
- Notes
- [1] 2 hour rating using IEC60268 noise based on minimum impedance
- [2] Mid-band based on nominal impedance; 2.83 V at 1 m for 8Ω loudspeakers or 2 V at 1 m for 4Ω
- [3] Calculated as the nominal sensitivity plus 10× the log of continuous rated power in volts squared divided by nominal impedance
- [4] Calculated as the continuous calculated max output plus 6 dB
