Rear Panel
This rear panel image shows the powered Left Speaker. The Right Speaker is passive and
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has only one Speaker terminal for connection to the Speaker Terminal of the Left Speaker.
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1. RCA Line Inputs (L & R): These jacks accept standard RCA input connections with
unbalanced wiring. The included 1/8-inch mini-jack—to—RCA audio cable allows
users to connect the StudioPro 4s to other equipment accepting 1/8-inch mini jack
connections, such as a laptop or MP3 player.
There are 2 RCA Line Inputs:
L — Left Channel Input (White)
R — Right Channel Input (Red)
2. Mid-Boost: Two selections are available for the Mid-Boost, "In" and "Out." The Out
setting produces a flat frequency response curve, while the In setting gives an
added boost in the mid-range frequencies.
3. Speaker Outputs: There is one spring action Speaker terminal Output for
connecting the Left Speaker to the Right Speaker using the included speaker wire.
4. Power Receptacle: Accepts a detachable 2-circuit line cord in order to power the
StudioPro 4 system.
5. Product Label: This label contains the model and serial number information.
6. Power Switch: This switch turns the StudioPro 4 system on and off. The on position
is indicated by the white dot on the switch.
7. Sub-Frequency Port: This port aids in the reproduction of very low frequencies by
discharging frequencies below 70Hz.
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