Description
The QSC AD-C.SUB-BK 6.5-Inch Small-Format Passive Ceiling Subwoofer - Black is part of the Acoustic Design Series SUB/SAT loudspeaker solution, which is ideally suited for background music applications that require depth and clarity even at lower volume settings. The Acoustic Design Series SUB/SAT loudspeakers are specifically designed to be mix-and-match capable; meaning any combination of satellites may be paired with any subwoofer in the AD Series SUB/SAT line.
Product Specifications:
Active/Passive: Passive
Number of Included Speakers: 1
Speaker Configuration: Subwoofer
Power Handling: 100 W
Recommended Amplifier Power: 100 W
Constant Voltage / Transformer Taps:
70 V: 100 / 50 / 25 / 12.5 W
100 V: 100 / 50 / 25 W or 4 Ohms Bypass
Impedance: 4 Ohms
Enclosure Type: Bass-Reflex
LF Driver: 1x 6.5" / 165.1 mm Woofer
Frequency Range: 45 Hz to 150 Hz
Maximum SPL:
111 dB (Peak)
105 dB (Continuous)
Sensitivity: 86 dB
Coverage Angle: 250° (Conical)
Directivity:
1.8 dB (Directivity Index)
1.5 (Directivity/Q Factor)
Inputs/Outputs: 3x Block 4-Pole Speaker Input/Output (Locking)
Maximum Wire Gauge: 12 AWG
Certifications: CE, RoHS, UL
Environmental Resistance: Dust/Water-Resistant (IP34)
Operating Conditions: -4 to 122°F / -20 to 50°C
Color: Black
Mounting: 1x In-Ceiling
Construction Material: ABS, Steel
Dimensions: 13.4 x 10.4" / 340.36 x 264.16 mm
Weight: 19.2 lb / 8.7 kg
Shipping Weight: 25.9 lbs.
Shipping Dimensions (LxWxH): 21 x 21 x 14.25 Inches
Financing Options
Hassle-Free Financing Available
Get the gear you need now and pay over time. Perfect for working DJs, artists, and sound pros who need pro-grade speakers, lighting, and cases to stay competitive.
- Shop Pay & Afterpay for instant financing right at checkout
- Acima, Synchrony, Progressive & Snap lease-to-own and financing options
- Fast approvals so you buy today and pay monthly
Military & First Responder Discounts
We're proud to support those who serve. Active-duty military, veterans, and first responders qualify for a special discount on your gear. See our Military Discount details here and how to redeem.






