Adjustable
Wrench
Power
Drill
Utility
Knife
REQUIRED
INSTALLATION
TOOLS
Crimper
MTX WARRANTY STATEMENT
MTX RFL Series amplifiers purchased in the USA from an authorized MTX dealer are guaranteed against defects in material and workmanship for the
period of 1 year if installed by an authorized MTX dealer (90 days if by customer). The warranty period begins the day the product is purchased by the end
user. This warranty is limited to the original retail purchaser of product. Product found to be defective during that period will be repaired or replaced by
MTX at no charge. This warranty is void if it is determined that unauthorized parties have attempted repairs or alterations of any nature. Warranty does not
extend to cosmetics or finish. Before presuming a defect is present in the product, be certain that all related equipment and wiring is functioning properly.
MTX disclaims any liability for other incurred damages resulting from product defects. Any expenses in the removal and reinstallation of products are not
covered by this warranty. MTX’s total liability will not exceed the purchase price of the product. If a defect is present, your authorized MTX dealer may be
able to effect repairs.
Proof of purchase is required when requesting service, so please retain your sales receipt, and take a moment to register your product online at MTX.com.
Also, a Return Authorization number (RA) is required before shipping product back to MTX, call 800-225-5689 or 602-438-4545, for amplifier RAs.
Allen Wrench
MTX003013 RevB 4/10 NDM578
PROBLEMS, QUESTIONS, CONCERNS, SUGGESTIONS? CALL 1-800-CALLMTX
1
2
3
RFL300D
– 300 WATT MONO BLOCK, CLASS-D, RFL SERIES AMPLIFIER
RFL600D
– 600 WATT MONO BLOCK, CLASS-D, RFL SERIES AMPLIFIER
SETTINGS
Disconnect Battery Negative (–) Cable
Prior to Installing Amplifier
(Reconnect after step 3)
Connect to Source
Unit Remote Turn-on
/Power Antenna Wire
CONNECT POWER
Ground To
Metal of Vehicle
(Remove Paint
From Metal)
CONNECT SUBWOOFER(S)
CONNECT SIGNAL
Source Unit
OR
REMOTE TURN-ON
/POWER ANTENNA WIRE
(Do not use with Smart Engage™
RCA to Line Level Adapters)
Adjust Sub Sonic
filter frequency
SUB
SONIC
20Hz
50Hz
Adjust input sensitivity
to match source unit
GAIN
5V
0.25V
Adjust Bass Boost
to increase bass response
BASS
BOOST
0dB
12dB
Adjust Low Pass
crossover frequency
LPF
200Hz
40Hz
OR
SMART ENGAGE
OFF ON
Aftermarket Head Unit
(Remote turn-on wire connected)
OFF ON
Factory Head Unit
(Remote turn-on wire not connected)
4 AWG
4 AWG
16 AWG
–GND
+BATT
REM
– –
+
+
– –
+
+
