Thank you for viewing. MACKIE M48 Phantom Power Supply - Excellent Condition Purchased from Soundhouse in August 2024. Currently priced at 9,130 yen. Used twice for practice. At that time, I slightly dented the sponge on the back in two places. This is on the right side of the ONKYO TOKKI LTD. label in the third photo. Please be aware of this. After that, I switched to a mixer with phantom power, so I no longer needed it, and I am now selling it. The AC power adapter and original box are included, but batteries are not. The M48 phantom power supply can provide 48V power to condenser microphones and active direct boxes. It can be powered by batteries or the included AC power adapter.