JBL CSA 2120Z - 2-Channel 70V/100V Amplifier...
Description
JBL Professional CSA 2120Z - Two-Channel 70V/100V Power Amplifier The JBL CSA 2120Z amplifier is a professional device from the Commercial Series, combining HARMAN brands' extensive experience in installation audio. Thanks to the advanced Crown DriveCore technology, this device delivers powerful and clean sound while maintaining compact dimensions and high energy efficiency. Product Features Among the key advantages of the JBL CSA 2120Z amplifier are: two-channel output with 120W per channel, built-in support for 70V and 100V installations, and a fanless 1U design. The device features a universal power supply, a sleep mode disable function, and an Energy Star certification confirming energy efficiency. Illuminated rings around the knobs facilitate operation, and RJ45 connectors enable compatibility with JBL CSR-V wall controllers. Professional Capabilities for Commercial Audio Installations The JBL CSA 2120Z power amplifier was designed with demanding audio reinforcement systems in commercial spaces in mind. Crown DriveCore technology replaces up to 500 traditional components with a single chip, drastically reducing the number of parts and increasing the reliability of the entire system. As a result, the user receives a stable device with excellent performance that requires no complex maintenance. This model is ready to operate in 70V and 100V installations right out of the box, eliminating the need for additional transformers or adapters. The universal switch-mode power supply accepts AC voltages in the range of 100–240V at 50/60 Hz, making it an ideal solution for use in various regions around the world. The fanless design in a 1U high enclosure allows for space savings in rack cabinets, and the absence of a fan means completely silent operation—key for locations such as offices, hotels, or conference rooms. Thanks to the HARMAN GreenEdge initiative, this amplifier features low energy consumption and a rapid ecological turnaround. Illuminated visual rings around the volume controls improve visibility and operational intuitiveness, even in low-light conditions. The ability to connect JBL CSR-V wall controllers via standard CAT5 cable and RJ45 connectors allows for convenient sound level adjustment in zones remote from the server room or rack point. This amplifier serves excellently as the heart of a small to medium-sized public address system, providing adequate power and signal clarity. Applications 70V audio installations in commercial facilities 100V systems for announcements in schools, offices, and hotels Zonal audio systems with volume control via JBL CSR-V Detailed Technical Specifications Output Power: 120W per channel (240W total at 70V/100V) Number of Output Channels: 2 Input Sensitivity: 1.4Vrms for 8-ohm load Phantom Voltage: 27VDC AC Voltage Range: 100–240V, 50/60 Hz Input Impedance: 20k ohms / 50k ohms Dimensions: 44.45 mm x 215.9 mm x 304.8 mm (1.75” x 8.5” x 12”) Materials and Construction The enclosure of the JBL CSA 2120Z amplifier is made of high-quality metals ensuring rigidity and passive heat dissipation. The industrial 1U design allows for mounting in standard rack cabinets, and the included mounting kit facilitates installation. The elegant appearance with illuminated rings not only serves an aesthetic function but also improves ergonomic usability. The absence of a fan eliminates moving parts, which translates to longer device lifespan and no acoustic interference. Package Contents JBL CSA 2120Z Amplifier Rack mounting kit Summary If you are looking for a reliable, energy-efficient, and silent amplifier for your commercial installation, the JBL CSA 2120Z is a wise choice. The combination of DriveCore technology, 70V/100V support, and universal power supply creates a product ready to meet the requirements of modern audio reinforcement systems, while maintaining configuration simplicity and an elegant appearance.
