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DRV603: Best amplifier for 200 Ohm headphone

Part Number: DRV603
Other Parts Discussed in Thread: TPA6130A2, TPA6138A2,


We are evaluating amplifiers for a high impedance headphone (200 Ohm) application.  We are mainly concerned with output power at this time, before evaluating noise and quality.  We have tested so far, the TPA6130A2, and the TPA6138A2.  The TPA6138A2 sounds louder and offers higher peak to peak output before clipping.  Do you think the DRV603 will offer higher output power for this type of headphone (200 Ohm) or any other devices?