6 QSC Audio Products, LLC
PL325 PL340 PL380
Stereo Mode (both channels driven)
8Ω / EIA 1 kHz / 1% THD
4Ω / EIA 1 kHz / 1% THD
2Ω / EIA 1 kHz / 1% THD
500 W
850 W
1250 W
800 W
1250 W
2000 W
1500 W
2500 W
4000 W*
Bridge Mono Mode
8Ω / EIA 1 kHz / 1% THD
4Ω / EIA 1 kHz / 1% THD
1700 W
2500 W
2600 W
4000 W
5000 W
8000 W*
Typical Distortion
(20 Hz–20 kHz, 3 dB below clip, or
20 Hz–5 kHz, 10 dB below clip, or
20 Hz–20 kHz, 20 dB below clip)
8Ω
4Ω
2Ω
0.002–0.01%
0.005–0.01%
0.02%
0.002–0.01%
0.005–0.01%
0.02%
0.01–0.03%
0.03–0.06%
0.10%
Maximum Distortion
(20 Hz–20 kHz, 1 dB below rated power)
4–8Ω 0.05% 0.05% 0.20%
Frequency Response (8Ω) 20 Hz–20 kHz, ±0.2 dB 20 Hz–20 kHz, ±0.2 dB 20 Hz–20 kHz, ±0.2 dB
Noise (20 Hz–20 kHz, 32 dB gain) -106 dB -105 dB -104 dB
Dynamic Headroom (4Ω) 2 dB 2 dB 2 dB
Damping Factor (8Ω) 500 500 200
Output Circuitry Class H (2-tier) Class H (2-tier) Class D
Input Sensitivity @ max gain
(26 dB setting)
(32 dB setting)
3.28 V (+12.5 dBu)
1.60 V (+6.3 dBu)
3.92 V (+14 dBu)
1.96 V (+8.1 dBu)
5.27 V (+16.7 dBu)
2.67 V (+10.7 dBu)
Maximum Gain (1.2 V setting) 34.5 dB 36.4 dB 39.1 dB
Input Impedance >10 kΩ, balanced or unbalanced >10 kΩ, balanced or unbalanced >10 kΩ, balanced or unbalanced
Maximum Input Level
(1.2 V setting)
(32 dB setting)
(26 dB setting)
11 V (+23 dBu)
14.6 V (+25.5 dBu)
25 V (+30 dBu)
11 V (+23 dBu)
14.6 V (+25.5 dBu)
25 V (+30 dBu)
10 V (+22 dBu)
22 V (+29 dBu)
25 V (+30 dBu)
Controls and LEDs—Front Panel Common: AC Power Switch, Power LED (blue), Br Mono LED (yellow), Par LED (orange)
Each Channel: Signal -35 dB LED (green), -20 dB LED (green), -10 dB LED (orange), Clip/Prot LED (red),
Gain Control (21 detents, 1 dB steps)
Controls and LEDs—Rear Panel Common: Input Mode Parallel LED (orange), Stereo LED (green), Br Mono LED (yellow); Sensitivity 26
dB
LED (orange), 32 dB LED (green), 1.2 V LED (yellow)
Each Channel: LF Filter Switch off–30 Hz (yellow LED)–50 Hz (red LED); Clip Limiter Switch off–on (yellow LED)
Input Connectors Common: HD15 DataPort (inputs parallel with XLR inputs)
Each Channel: Male XLR, Female XLR, 3-Pin Terminal Block
Output Connectors Each Channel: 5-Way Binding Posts, Neutrik Speakon® (upper has both channel outputs)
Amplifier and Load Protection Short circuit, open circuit, thermal, RF protection. On/off muting, DC fault shutdown, active inrush current limiting
AC Power** / Cordset
120 V, 50–60 Hz
230 V 50 Hz
8.5 A / NEMA-15
7.5 A / Euro 16 A
12 A / NEMA-15
7 A / Euro 16 A
18 A / L5-30 (30 A twist-lock)
11 A / Euro 16 A
Dimensions Height: 2 RU 3.5" (8.9 cm); Width: 19" (48.3 cm); Depth: 15.63" (39.7 cm) from front mounting rails
Weight Net / Shipping 22 lb (10 kg) / 31.5 lb (14.3 kg) 22 lb (10 kg) / 31.5 lb (14.3 kg) 24 lb (11 kg) / 33.5 lb (15.2 kg)
Agency Approvals UL, CE, RoHS / WEEE compliant, FCC Class B (conducted and radiated emissions)
* Burst mode testing required due to AC service current limitations
** Representative of current draw with tyical music program material with occasional clipping
All specifications are subject to change without notice.
Specifications
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