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DX.2-SERIES AMPLIFIERS
OWNER’S MANUAL
INSTALLATION
Mounting: Choose a structurally sound location to mount your KICKER amplifi er. Make sure there are no items
behind the area where the screws will be driven. Choose a location that allows at least 4” (10cm) of open
ventilation for the amplifi er. If possible, mount the amplifi er in the climate-controlled passenger compartment. Drill
four holes using a 7/64” (3mm) bit and use the supplied #8 screws to mount the amplifi er.
Wiring: Disconnect the vehicle’s battery to avoid an electrical short. Then, connect the ground wire to the
amplifi er. Make the ground wire short, 24” (60cm) or less, and connect it to a paint-and-corrosion-free, solid,
metal area of the vehicle’s chassis. Adding an additional ground wire of this same gauge (or larger) between the
battery’s negative post and the vehicle chassis is recommended.
PERFORMANCE
Authorized KICKER Dealer:
Purchase Date:
Model Number:
Serial Number:
Model: DX125.2 DX300.2
RMS Power
@ 14.4V, 4Ω stereo, 1% THD+N
@ 14.4V, 2Ω stereo, 1% THD+N
@ 14.4V, 4Ω mono, 1% THD+N
30W x 2
60W x 2
125W x 1
75W x 2
150W x 2
300W x 1
Length, in. (cm) 8-1/4” (21) 12-1/4” (31)
Electronic Crossover 18dB/Octave High Pass Fixed
@ 100Hz, 18dB/Octave Low
Pass Fixed @ 80Hz
12dB/Octave, variable
50Hz-200Hz, selectable
HI, LO and OFF
Bass Boost Selectable 0/9dB @ 40Hz Variable 0–12dB @ 40Hz
Specifi cations common to all models:
Height, in. (mm) 2-1/4” (57)
Width, in. (mm) 8-5/16” (211)
Frequency Response ± 1dB 20Hz–20KHz
Signal-to-noise Ratio >95dB, A-weighted, re: rated power
Input Sensitivity Low Level: 125mV–5V
High Level: 250mV–10V
Pro Tip: To get the best performance from your new KICKER Amplifi er and extend the warranty by 1 year, use
genuine KICKER accessories and wiring.
MODEL: DX125.2 / DX300.2
2011 DX Stereo Amps RevD.indd 22011 DX Stereo Amps RevD.indd 2 11/3/2010 12:29:28 PM11/3/2010 12:29:28 PM