The JBL Stage A9004 amplifier stands out for its top reliability, as it is built with high-quality materials that guarantee long-lasting stable performance. At the same time, it features a compact size and an exceptionally cool industrial design, allowing easy integration into any part of the cabin. In a stereo setup, it delivers clear continuous power of RMS power @ 4 ohms 90W per channel, which increases to RMS power @ 2 ohms 110W. For driving subwoofers, it supports bridged operation delivering RMS bridged power @ 4 ohms 220W, with a total peak power reaching 880W Total peak power.

The amplifier offers top connection flexibility with any source, featuring a Maximum high input signal level 12V (High input max sensitivity 0.5V) for factory systems, and a Maximum line input signal level 5V (Line input max sensitivity 0.2V) via RCA, with a Line-in signal-to-noise ratio >75dB. It operates within a range of Operating voltage 9 – 16V, with low standby consumption Quiescent current draw <1.5A and is protected by two fuses Fuse size 2 x 20A. Its safe operation is ensured by the protection circuit with LED indicator against short circuit and overheating, while its dimensions are 50 x 145 x 268.6mm with a weight of 1.806kg.