The CA9 boasts Crest's "overbuilt" power supply with a toroidal power transformer, high-speed output devices, and twin-tunnel cooling with variable-speed fans.
It features balanced XLR and 1/4-inch (TRS) inputs, along with SpeakonTM or 5-way binding post outputs (market dependent
In stereo mode, it delivers 600W into 8 ohms, 900W into 4 ohms, and 1000W into 2 ohms. In bridged mode, it offers 1800W into 8 ohms and 2000W into 4 ohms.