JBL CSA 2300Z Power Amplifier
October 8, 2026
JBL CSA-2120 Audio Amplifier
Original price was: Rs.64,619.10.Rs.49,707.00Current price is: Rs.49,707.00. Price Excluding TAX
▷ Professional 2-Channel Audio Power Amplifier
▷ 2 × 120W Power Output
▷ 120W per Channel at 4Ω / 8Ω
▷ Supports 4Ω and 8Ω Speaker Systems
▷ JBL Commercial Series Amplifier
▷ >100 dB A-Weighted Signal-to-Noise Ratio
▷ 20 Hz–20 kHz Wide Audio Frequency Performance
▷ Balanced Euroblock & Unbalanced RCA Inputs
▷ Suitable for Commercial Audio & Installed Sound
▷ Ideal for Professional PA & Public Address Systems
▷ Suitable for Offices, Hotels, Restaurants, Retail Stores & Showrooms
JBL CSA-2120 2 × 120W Professional Audio Power Amplifier
The JBL CSA-2120 is a compact, lightweight and professional two-channel audio power amplifier designed for commercial audio, installed sound and professional PA applications. With 2 × 120W power output, it provides reliable amplification for 4Ω and 8Ω speaker systems, making it suitable for a wide range of commercial and professional audio installations.
Designed for efficient everyday operation, the JBL CSA-2120 features a convection-cooled design, helping maintain quiet operation without relying on a conventional cooling fan. Its 100–240V AC universal power supply allows flexible operation across different power environments.
The amplifier provides balanced Euroblock and unbalanced RCA inputs, allowing connection with professional audio equipment as well as standard consumer audio sources. Summing RCA inputs provide additional flexibility when integrating audio sources into commercial sound systems.
With a signal-to-noise ratio greater than 100 dB, the CSA-2120 is designed to deliver clean and detailed audio reproduction. Its compact 1U rack-space design makes it suitable for professional AV racks where installation space is limited.
The JBL CSA-2120 is well suited for commercial audio systems, installed sound, public address systems, offices, retail stores, hotels, restaurants, educational institutions, conference rooms and other professional AV installations.
Frequently Asked Questions
Specification
| Brand | JBL Professional |
| Model | CSA-2120 |
| Product Type | Professional Two-Channel Audio Power Amplifier |
| Series | JBL Commercial Series |
| Number of Channels | 2 |
| Power Output | 2 × 120W |
| Power at 4Ω | 120W per channel |
| Power at 8Ω | 120W per channel |
| Load Impedance | 4Ω / 8Ω |
| Frequency Response | ±1 dB @ 1W into 4Ω or 8Ω |
| Sensitivity | 1.4 Vrms @ 8Ω |
| Signal-to-Noise Ratio | >100 dB, A-weighted |
| Crosstalk | >70 dB from 20 Hz–1 kHz; >50 dB at 20 kHz |
| Input Impedance – Balanced | 20 kΩ nominal |
| Input Impedance – Unbalanced | 10 kΩ nominal |
| Maximum Input Signal | +20 dBu typical |
| Input Connections | Balanced Euroblock / Unbalanced RCA |
| RCA Inputs | Summing RCA inputs for each channel |
| Cooling | Convection Cooled |
| Auto-Standby | Yes |
| Power Supply | Switch-Mode Universal Power Supply |
| AC Input Voltage | 100–240V AC |
| Operating Frequency | 50/60 Hz |
| Operating Temperature | 0°C to 40°C |
| Operating Humidity | Up to 95% RH, non-condensing |
| Plenum Rated | Yes, UL2043 |
| Rack Mounting | Yes |
| Rack Space | 1U |
| Dimensions (W × H × D) | 209 × 44 × 178 mm |
| Dimensions (W × H × D) | 8.2 × 1.7 × 7 inches |
| Net Weight | Approx. 1.0 kg |
| Shipping Weight | Approx. 1.3–1.7 kg, depending on version |
| Design | Compact Professional Amplifier |
| Applications | Commercial Audio, Installed Sound, Public Address and Professional Audio Systems |
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