JBL GTS100 System 2A, System 2B, Add Power to Main Speakers, Add a Subwoofer Active

System 1

Add Power to Main Speakers

Front Outputs

Rear Outputs

Add a GTS100 to the main

(usually front) outputs of

an existing head unit.

G T S

Secondary speakers

1

0

0

(usually rear-fill) connect

to the head unit's internal

amplification.

GTS100

Next Step:

Front

Rear

Add a second GTS100 to

Full-Range

Full-Range

amplify the other set of

Speakers

Speakers

speakers or a subwoofer

L–

L+

R–

R+

L–

L+

R–

R+

(see System 2).

–

+

–

+

–

+

–

+

System 2A

Add a Subwoofer (Active)

Use the GTS100 to drive 1 or 2 subwoofers with the head unit powering the main speakers. This is an excellent way to upgrade a good stock system.

Next Step:

Add power to Front Full-Range Speakers (see system 3).

Front Outputs

Front

Full-Range

Speakers

GTS100

G T S 1 0 0

Rear Outputs

Rear

Full-Range

Speakers

L–	L+	R–	R+	–	+	L–	L+	R– R+
–	+	–	+		1 or 2	–	+ –	+
				Subwoofers

System 2B

Add a Subwoofer (Passive)

Use the GTS100 in Simultaneous Stereo + Mono mode to drive main speakers with subwoofers. A passive crossover is needed for this as described on page 18.

Next Step:

Add a second GTS100 to power subwoofers and main speakers individually (see system 3).

Front Outputs

		G
		T
		S
		1
		0
		0
			GTS100
	Front
	Speakers
L–	L+	R–	R+ +
–	+	–	+

Rear Outputs

Rear

Full-Range

Speakers

–	L– L+	R– R+
–	+ –	+

Subwoofer

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