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Top End View
GAIN Switch has a Low or
High Setting to match-up
with the Headphones/
Earbuds Sensitivity and
Impedance characteristics
Bottom End View
Digital Audio Input Selector Switch to choose the iOS USB, or Multi-USB Input Wired
Connection for Digital Audio Signal processing. The switch needs to be in either the
iOS USB, or Multi-USB position when Bluetooth Wireless Connection is being used.
8
Bluetooth Push-button to acti-
vate the MHA50 Bluetooth receiver
circuity and process the Digital
Audio Signal from the Bluetooth
Wireless Signal
MHA50 Switches, Touch Screen Controls and Indicator
HXD Switch OFF or On
settings allows for activation
of the McIntosh Crossfeed
Director Circuitry
Rotary Touch Screen
VOLUME Control to ad-
just the Headphone/Earbud
listening level
Front View
Standby Mode Touch
Screen Control
Operation Mode
LED Indicator
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