QSC AP-212sw



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Dual 12 in subwoofer



  • DMT™ (Directivity Matched Transition) in 2-way models ensures smooth, coherent power response across the listening plane
  • Premium-grade, long excursion, dual 12-inch transducers
  • Two threaded pole cups for both vertical and horizontal applications
  • Two M20 pole attachment points
  • Clean industrial design with unadorned grilles complement most decors and settings
  • NL4 Speakon connector
  • Constructed from 15 mm Baltic birch plywood
  • 16-gauge powder coated steel grilles
  • Available in black (RAL 9011)
  • Four integrated handles and optional caster kit for ease of transport
  • Complete EASE, CAD & BIM information available online

Frequency response

35 Hz - 250 Hz

Rated noise power / voltage1

600 watts / 49 volts rms

Broadband sensitivity2

93 dB SPL

Coverage angle


Directivity factor (Q)


Directivity index (DI)


Recommended crossover


Maximum SPL at 1 m (passive)

122 dB continuous3
128 dB peak4

Rated impedance


HF transducer


LF transducer

Two 305 mm (12-inch) weather resistant cone woofers with 64 mm (2.5 in) voice coil

Optional accessories

Subwoofer Caster Kit
Speaker Pole M2035-36 (Horizontal)
Speaker Pole M2035-26 (Vertical)

Enclosure details


Input connector

Two NL4 crossed:
A: Sub 1+/-, Thru 2+/-
B: Thru 1+/-, Sub 2+/-

Enclosure material

15 mm Baltic birch plywood

Attachment points

Two M20 pole attachment points


Black (RAL 9011)


16-gauge powder coated steel

Dimensions (H×W×D)

26" × 15" × 24" / 660 × 381 × 610 mm

Net weight

65.4 lb / 30.4 kg

As part of QSC’s ongoing commitment to product development, specifications are subject to change without notice.

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 8? loudspeakers or 2 V at 1 m for 4? 
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

Synchrony Financial

Progressive Leasing

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