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The P4150+ outputs 4 × 150 W at 4 Ω, 8 Ω, or 100 V line. The plus sign in the model number marks the presence of onboard digital processing, absent in the A models of the same series.
The integrated DSP applies filtering, equalization, limiting, and delay per channel. Bose speaker presets load from ControlSpace Designer: no separate processor upstream is needed.
In I-Share, channels bridge two by two to yield 2 × 300 W at 2 or 4 Ω. The same model thus covers four small zones or two demanding zones, depending on wiring chosen.
The chassis occupies 1U for 6.6 kg, depth 42 cm. At equal power per channel, footprint does not change between DSP and A models: only the model number differs.
Data sheet
Specific References
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