Need help?Do you have a question about the QSC K12.2 and is the answer not in the manual?
General| Amplifier class | D |
|---|---|
| Recommended amplifier power (max) | 1800 W |
| Recommended amplifier power (min) | 225 W |
| Amplifier/receiver input interface type | 3.5 mm jack, XLR |
| Package weight | 21700 g |
| Frequency range | 45 - 20000 Hz |
| RMS rated power | - W |
| AC input voltage | 100 - 240 V |
| Power source type | AC |
| AC input frequency | 50 - 60 Hz |
| AirPlay | No |
| AC (power) in | Yes |
| Connectivity technology | Wired |
| Display | 1.75\ |
| Transducer material | Titan |
| Certification | CE, WEEE, UL, China RoHS, RoHS II, FCC B |
| Product color | Black |
| Housing material | Acrylonitrile butadiene styrene (ABS) |
| Recommended usage | Universal |
| Audio output channels | 1.0 channels |
| Multi-Room Streaming (MRS) support | - |
| Speaker type | 2-way |
| Number of drivers | 2 |
| Speaker placement | Floor |
| Speaker interface type | XLR |
Weight and Dimensions| Depth | 350 mm |
|---|---|
| Width | 356 mm |
| Height | 602 mm |
| Weight | 17700 g |
Explains using Test Mode for bench testing and troubleshooting amplifier modules.
Instructions for removing and installing the amplifier module from the loudspeaker.
Instructions for removing and installing the AMP/PSU board.
Steps for removing and installing the input/DSP board.
Describes standalone bench testing procedures for the amplifier module.
Outlines procedures for testing the fully assembled loudspeaker's performance.
Details how to test the AC mains fuse and line filter components using a DMM.
Troubleshooting guide for power supply MOSFET failures and component-level repair.
Steps for diagnosing and repairing amplifier MOSFET failures.
Guide for diagnosing and troubleshooting +12VLOW voltage rail failures.
Troubleshooting steps for input section failures, focusing on transient voltage damage.
Addresses fan malfunctions and overheating issues in the amplifier module.
To Next Page
