PowerSpace P4300A

4 × 300 W (THD+N < 0.04%, 1 kHz, 4–8 Ω, 70/100V)

2 × 600 W (2–4 Ω, 70/100V) (each channel pair can be I-Shared)

https://boseprofessional.com/products/power-amplifiers/non-dsp/powerspace-non-dsp/powerspace-p4300-2

4 × 300 W (THD+N < 0.04%, 1 kHz, 4–8 Ω, 70/100V)

2 × 600 W (2–4 Ω, 70/100V) (each channel pair can be I-Shared)