Rockford Fosgate 240X4 operation manual 160X4 Specification S, 120

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160X4 S P E C I F I C A T I O N S

Continuous Power Rating (Competition Standard) – Measured at 13.8V

RMS continuous power per channel, all channels20 Watts driven into a 4Ω load from 20-20,000Hz with

less than 0.05% Total Harmonic Distortion (THD)

RMS continuous power per channel, all channels		40	Watts
driven into a 2Ω load from 20-20000Hz, with
less than 0.1% Total Harmonic Distortion (THD)
RMS continuous power bridged into a 4Ω load		80	Watts
from 20-20000Hz, with less than 0.1%
Total Harmonic Distortion (THD)
Dynamic Power Rating (IHF-202 Standard) – Measured at 14.4V
2-Channel bridged into a 4Ω load		120	Watts
per channel into a 2Ω	load	60	Watts
per channel into a 4Ω	load	40	Watts
Signal-to-Noise Ratio (A-weighted)		>100dB

Factory Default Crossover Point	100Hz Butterworth
Crossover Alignment	12dB/octave
Dimensions	95⁄8"W x 125⁄8"L x 25⁄8"H
	(24.4cm) x (32.0cm) x (6.6cm)
Damping Factor @ 4Ω (at output connector)	>150
Bandwidth	15Hz-100kHz ± 3dB
Frequency Response	20Hz-20kHz ± 0.5dB
Slew Rate	30 V/µ s
IM Distortion (IHF)	<0.05%
Input Sensitivity	Variable from 150mV to 3V
	Preset at the factory for 500mV
B+ Fuse Size (external to amplifier)	30 amp
Input Impedance	20k ohms

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Contents Channel Amplifiers Installation & Operation Manual Page Practice Safe Sound T T I N G S T a R T E D PU N C H 4-CHANNEL AM P L I F I E R AC C E S S O R Y PA C K T R O D U C T I O NRO C K F O R D FO S G AT E AC C E S S O R I E S Energy Storage CapacitorTransana TRANSconductance Active Nodal Amplifier Technical Design FeaturesXCard Internal Crossover Mosfet Devices Design Features Amplifier S TA L L AT I O N CO N S I D E R AT I O N S Mounting Location R I N G T H E S Y S T E M Battery and ChargingPunch Page I N G T H E Xcard Channel Input Using the Signal Input SwitchBA S I C CO N N E C T I O N S Power ConnectionsStereo Operation Mono Operation P U T Channel OperationChannel Stereo Operation Channel Stereo/Single Bridged Operation Channel Stereo/Dual Bridged Operation Watt 3-Way System SY S T E M DI a G R a M SWatt 4-Way System 12dB/octaveLP Watt 4-Way System Amplifier has no TroubleshootingAmplifier does not Turn onRear Channels Speaker OutputLow or Distorted No Output onEngine Noise Listening to Loudspeakers Not Resistors About the Dynamic Power MeasurementsN a M I C P O W E R M E a S U R E M E N T S MusicInformation Cubed What is an Amplifier?120 160X4 Specification S100 180R R a N T Y I N F O R M a T I O N Page Page Rockford Fosgate