JBL / CSA 280Z

The CSA280Z is a power amplifier manufactured by JBL. It supports both low- and high-impedance connections and can efficiently drive multiple speakers. It features Euroblock input and output terminals. It also features RCA terminals for direct connection to CD players and other devices. The core of the amplifier circuit is the proprietary DriveCore integrated circuit, delivering superior sound quality.

~From the manufacturer's website~
The JBL Commercial CSA Series packs a wide range of features into a compact body, making it suitable for a variety of applications. Its simple construction makes it ideal for replacing existing power amplifiers. Its excellent reliability and sound quality ensure high-quality sound output even in harsh environments such as stores, various facilities, and work spaces.

■Power Amplifier
■Number of Channels: 2
■Channel Output
　4/8Ω: 80W + 80W
　70/100V: 80W + 80W
■Frequency Response: ±0.5dB (20Hz - 20kHz, 8Ω output)
■Signal-to-Noise Ratio: 100dB or more (A-weighted)
■THD: 0.5% or less (20Hz - 20kHz)
■Input
　Connectors: Euroblock (balanced), RCA (unbalanced)
　Impedance: Euroblock: 20kΩ, RCA: 50kΩ
　Sensitivity (8Ω): 1.4V
　Maximum Level: +22dBu
■Output Connectors: Euroblock
■Indicators: Signal, Clip, Power
■Power Supply: AC 100V, 50/60Hz
■Power Consumption: 33W (1/8 output, pink noise, 4Ω)
■Dimensions (W x H x D): 218 x 43 x 303mm (excluding protrusions)
■Weight: 4.0kg
■Accessories
3-pin Euroblock connectors x 2
5-pin Euroblock connectors x 2
Long angle bracket
Flat bracket
Front angle bracket
Rear angle bracket
Rear flat bracket
10 bracket fixing screws
6 rear bracket connecting screws
6 spring washers
6 washers
5 rack mount screws
4 rubber feet (1 sheet)
Power cord
Japanese instruction manual