JBL Professional CSA-1300Z - Commercial Amplifier 1 × 300 W with Integrated 70/100 V, CSR-V Control and RS-232 (2U)
The JBL Professional CSA-1300Z is a 300W, single-channel installation amplifier designed for commercial sound systems requiring 24/7 reliability, easy operation, and compatibility with low impedance (4/8 Ω) or transformerless 70/100V distributed lines . Based on Crown DriveCore™ technology, it offers high efficiency, a disableable sleep mode , and a 2U design with clear controls and illuminated rings. It features balanced Euroblock and stereo RCA inputs (summed to mono), ±12dB bass/treble equalization on the output, barrier strip speaker terminals , and a rear RJ-45 port that supports CSR-V wall volume control or RS-232 for volume, mute, and sleep functions . When Hi-Z (70/100V) is activated, the unit automatically enables a 70Hz high-pass filter to protect the distributed network.
Main features
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Power : 1 × 300 W into 4/8 Ω (1 kHz, ≤ 0.5% THD); built-in 70/100 V outputs (insertion loss ≤ 1 dB).
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Hi-Z switching with automatic HPF 70 Hz when using 70/100 V.
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Inputs : 1 × balanced Euroblock (20 kΩ) and 1 × stereo RCA (10 kΩ) with L+R→mono summation .
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Control : Bass ±12 dB @100 Hz and Treble ±12 dB @10 kHz at the output.
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Remote : 1 × RJ-45 for CSR-V or RS-232 (volume/mute/ sleep ).
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Performance : response 20 Hz–20 kHz (±1 dB, 8 Ω); SNR > 97 dB ; THD < 0.5% ; crosstalk < −70 dB ; max. input level +22 dBu .
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Universal power supply : 100–240 V~ 50/60 Hz ; sleep mode can be disabled.
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Format and weight : 432 × 274 × 89 mm (W × D × H), 5.95 kg net; 2U .
Product benefits
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One amplifier for everything : works at low Z or 70/100 V without external accessories.
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Intuitive operation : basic equalization and illuminated rings for quick status reading.
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Professional integration : local volume with CSR-V and RS-232 control for automation.
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Efficiency and continuity : DriveCore™ platform with sleep mode to reduce consumption when idle.
Use cases
- Retail, hospitality and catering: background music/announcements on 70/100 V networks.
- Education and corporate: classrooms, small auditoriums and common areas.
- Sports centers, museums and public buildings: high-coverage distributed systems.
Frequently Asked Questions
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How do I activate 70/100 V? Set the selector to Hi-Z and use the 70/100 V and COM terminals; the 70 Hz HPF will activate automatically.
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Can I use the CSR-V remote? Yes, connect it to the rear RJ-45 (Cat 5 cable); that same port supports RS-232 .
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Can I mix low Z and 70/100 V on the same output? No. Each channel must operate in only one mode.
Project description
JBL CSA-1300Z Commercial Amplifier: 1 × 300 W @ 4/8 Ω (1 kHz, ≤ 0.5% THD); switchable 70/100 V outputs ( Hi-Z , HPF 70 Hz , loss ≤ 1 dB); response (8 Ω) 20 Hz–20 kHz (±1 dB); SNR > 97 dB ; crosstalk < −70 dB ; input sensitivity 0.775 Vrms (balanced) / 0.300 Vrms (RCA); input impedances 20 kΩ / 10 kΩ ; Euroblock + RCA input (sums to mono); barrier strip outputs; minimum loads: 4 Ω (low Z) / 12 Ω (70 V) / 24 Ω (100 V); CSR-V and RS-232 control via RJ-45 ; 100–240 V~ 50/60 Hz; dimensions 432 × 274 × 89 mm ; net weight 5.95 kg ; 2U form factor.
