Precision Power D500/1 - Manual (Page 15)

12. -12dB Input Attenuation: Push this switch ‘IN’ for high voltage
(4V-12V) capability. This button pushed ‘IN’ must be used for
speaker level input on common ground head-units or for high
voltage line drivers.
13. Phase: These switch sets the phase of the output relative to the
amplifier input.
14. RCA Outputs: RCA outputs provide HP/LP/FULL 30-4kHz
signal to another amplifier.
END PLATE DIAGRAMS
1. Power/Ground PowerLock TM : Note that the D2000/1 and
D3000/1 have two of these receptacles. You must connect the
power and ground cables to both
PowerLock TM terminals for
optimum operation.
2.
QBASS REMOTE TM : Plug in the data cable from the optional
QBASS REMOTE TM dash mounted level control here. (The remote
level control will bypass the amplifier’s on board QBASS TM control.
3. QBASS TM Level Control: Controls bass boost, centered at 40Hz
with up to 18dB of boost.
QBASS
REMOTE
QBASS
+18 0
2 3 4 1
D2000/1, D3000/1
1
QBASS
REMOTE
QBASS
+18 0
1 2 3 4
D500/1, D1000/1
14