JBL GTS300 Application, Subwoofer Operation, Full-RangeOperation Stereo, L– L+, R– R+, L– R+

Application 1

Stereo Full-Range or Subwoofer Operation

Full-Range Operation

Speaker Output
Crossover	Input Mode
Switch	Switch
Flat	Stereo

Subwoofer Operation

Speaker Output
Crossover	Input Mode
Switch	Switch
Low Pass	Stereo

Main speakers are driven by head unit or additional amplifier.

Preamp or

LSpeaker-Level R Input

M

A

D

GTS300/600

L– L+ R– R+

				2 or 4-Ohm
–	+	–	+	Full-Range
				Speakers or
				Subwoofers

Application 2

Bridge-Mode Operation

Single Amplifier:

Subwoofer-Operation (Mono)

	Speaker Output
Amp	Crossover	Input Mode
	Switch	Switch
B	Low Pass	L + R

Main speakers are driven by head unit or additional amplifier.

Dual Amplifier:

Subwoofer-Operation (Stereo)

	Speaker Output
Amp	Crossover	Input Mode
	Switch	Switch
A + B	Low Pass	R

Full-Range Operation (Stereo)

	Speaker Output
Amp	Crossover	Input Mode
	Switch	Switch
A + B	Flat	R

Application 3

L

For Dual-Amplifier Full-Range or Subwoofer Use

R

		M
		AD
GTS300/600
A
4-Ohm	L–	R+
Full-Range			+
Speaker or

Subwoofer

Preamp or	R
Speaker Level
For Single Amplifier
Subwoofer Use
	L	R
		M
		AD
GTS300/600
B
4-Ohm	L–	R+

Full-Range	–	+
Speaker or

Subwoofer

Bi-amplified, Three-channel	Front
Subwoofer/Satellite System

Rear

		Speaker Output			L			R
	Amp	Crossover	Input Mode
		Switch	Switch
	A	High Pass	Stereo
	B	Low Pass	L + R
						M
						AD
				GTS300/600
Stereo Subwoofers may be used by configuring					A
Amp B as shown in Application #1.
					L– R+		L– R+

Preamp or	L
Speaker-Level
Input

GTS300/600

B

R

M

A

D

L– R+

2 or 4-Ohm Full-Range Speakers

4-Ohm Subwoofer

– + – + – +

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