RMA 500.1 & RMA 500.4 Amplifier Owner’s Manual Rev. 09-Mar-10 Pg.
RMA 500.1 & RMA 500.4 Amplifier Owner’s Manual Thank you for purchasing a Roswell Marine Audio (RMA) Amplifier. Since 1998 Roswell has been the world leader in wakeboard towers and accessories in the marine industry. This RMA Marine amplifier uses a Full Range Class G/H topography that significantly improves efficiency while enhancing sound quality. Do not be fooled by the small size.
RMA 500.1 & RMA 500.4 Amplifier Owner’s Manual The Ground Warning: Read this carefully The ground wire should be connected directly to the battery of your boat. Remember, the ground must carry the same high current as the positive wire. To reduce the risk of noise, run all signal cables away from any power supplying wires. Running the cables Carefully run your power wires and ground wires to the battery. Use 4 gauge wires for your ground and for your positive power cable.
RMA 500.1 & RMA 500.4 Amplifier Owner’s Manual Bass Boost Both the RMA 500.1 and the RMA 500.4 amplifiers have an adjustable bass boost. On the 4 channel RMA 500.4, the bass boost will be directed only to the front speakers. The RMA 500.1 includes a remote gain that can be plugged into the amplifier to allow adjustment of the bass without accessing the amp. Begin your adjustment at low volume. If you do not hear any improvement then the woofer does not need any boost.
RMA 500.1 & RMA 500.4 Amplifier Owner’s Manual 7. 8. 9. 10. 11. 12. 13. Connect the power and the ground wires to the amplifier. ** Only after this step should you install the fuse at the battery** Connect the remote wire (blue wire on most head units) from the head unit to the “TURN ON” connection of the amplifier. Now is a good time to turn on the amplifier for the first time. Make sure it turns on properly and does not go into protection.
RMA 500.1 & RMA 500.4 Amplifier Owner’s Manual POWER INPUT AND CONNECTIONS RMA 500.4 RCA cable Fuse at battery for wire short protection + - ry tte a VB 12 (-) Ground to amplifier +12V wire (4 AWG) Ground connection directly to the battery Supplied remote gain can be connected to control bass level RMA 500.1 RCA cable Fuse at battery for wire short protection + - ry tte a VB 12 (-) Ground to amplifier +12V wire (4 AWG) Ground connection directly to the battery Rev. 09-Mar-10 Pg.
RMA 500.1 & RMA 500.4 Amplifier Owner’s Manual ROSWELL MARINE AUDIO WARRANTY AND SERVICE GUIDELINES Roswell Wake Air warrants all new RMA Series amplifiers against defects in material and workmanship for a period of ONE (1) YEAR from the original date of purchase. This warranty is not transferable and applies only to the original retail purchaser from an authorized Roswell Marine Audio retailer.
SPECIFICATIONS OUTPUT POWER (RMS) @ 1% THD 100KZ 14.4VDC POWER OUTPUT @ 4Ω POWER OUTPUT @ 2Ω POWER OUTPUT @ 1Ω POWER OUTPUT @ 4Ω BRIDGED POWER OUTPUT @ 2Ω BRIDGED TOTAL HARMONIC DISTORTION FREQUENCY RANGE -3dB CROSSOVER RANGE BASS BOOST S/N RATIO (A wtg) ref 4 Ω SEPARATION DAMPING FACTOR 25W out 4 ohms 1000Hz INPUT SENSITIVITY (RCA) INPUT IMPEDANCE RMA 500.1 312 WATTS X 1 @ 14.4V 509 WATTS X 1 @ 14.4V NOT RECOMMENDED NA NA 0.05% 20Hz-200Hz 30Hz-2000Hz 0-15dB @ 30Hz-125Hz >82dB NA RMA 500.
CAUTION! RMA 500.1 & RMA 500.4 Amplifier AMPLIFIER MAY BECOME VERY HOT DURING NORMAL OPERATION Your new Roswell Marine Audio amplifier possesses exceptional efficiency and thermal management. However, it is possible that, if mounted in a confined space and/or high temperature environment, it may become extremely hot during periods of extended use. Special attention must be given during the installation process to optimize cooling efficiency.
