From processor | Boston Acoustics GT-50 specification

SYSTEM B—Front, Rear, and Dual 4Ω Subwoofers (2Ω load) with Discrete Subwoofer Input

6.5LF

F L5.6

LRLR

	(from processor)
ON	SAFE

6.5LF

12.5LF

FL5 6.

Image 17

Contents

GT-50 Channel, High-Current/High-Power Ampliﬁer Table of Contents Features and Speciﬁcations Parts List Front RCA Inputs Control FunctionsFRONT, REAR, and Subwoofer Remote Inputs FRONT, REAR, and Subwoofer Input Sensitivity Controls Subwoofer Mode Switch Rear Input SwitchFront and Rear Q Controls Rear RCA Inputs Mechanical Functions Vents Side and Rear Wire ConnectionUpper side vent lower side vent Ampliﬁer Linking Fuses Before You Install General Installation PrecautionsBattery and Charging System Wire Routing Choose the Mounting Location Installation-Ampliﬁer Mounting Wire Gauge Installation-Fuses and WiringPassenger and Trunk Compartment Mounting Ampliﬁer Fuses Speaker Output Connection Power/B+ and Power/GND ConnectionRemote Input Connection Mono Subwoofer Operation Setup Tuning-Full-Range SpeakersMusic FRONT, REAR, and Subwoofer Sensitivity Controls Head Unit VolumeFront and Rear Input Sensitivity Controls Front and Rear Crossover Controls Subwoofer Level Control Subwoofer Mode Switch Setup Tuning-Subwoofers Subwoofer Crossover Control Subwoofer Sensitivity Control 2Ω load 2Ω Subwoofer System Examples From processor Engine Noise from Speakers Ampliﬁer Troubleshooting GuideStatus LEDs on Ampliﬁer not Lit-Head Unit Source Turned on If Service Seems Necessary Contact and Warranty InformationLimited Warranty US

(from processor)