Radio Shack XL-400 owner manual Connecting Two Speakers Bridged Connection

12-2018.fm Page 14 Friday, May 12, 2000 12:46 PM

Connecting Two Speakers (Bridged Connection)

Left Speaker Right Speaker

Caution: This connection produces 200 watts per channel. Use this connection only if you have high-power speakers that can han- dle a power output of 200 watts.

Note: CH2 (+) and CH4 (+) are used as nega- tive (–) terminals for a bridged connection.

1.Use a screwdriver to connect the left speaker’s positive (+) wire to the ampli- fier’s CH1 (+) terminal.

2.Use a screwdriver to connect the left speaker’s negative (–) wire to the ampli- fier’s CH2 (+) terminal.

3.Repeat Steps 1–2 to connect the right speaker’s positive (+) and negative (–) wires to the amplifier’s CH3 (+) and CH4

(+) terminals.

4.Set both BRG/ST switches (on the left and right sides of the amplifier) to BRG.

Connecting Two Speakers and One Subwoofer (Unbridged Connection)

		Or
CH1 Front	CH2 Front	CH3 Rear	CH4 Rear
Left Speaker	Right Speaker	Subwoofer	Subwoofer
1. Use a screwdriver to connect the front		3. Repeat Steps 1–2 to connect the front
left speaker’s positive (+) wire to the		right speaker’s positive (+) and negative
amplifier’s CH1 (+) terminal.		(–) wires to the amplifier’s CH2 (+) and
		CH2 (–)terminals.

2.Use a screwdriver to connect the front left speaker’s negative (–) wire to the amplifier’s CH1 (–)terminal.

14 Connecting Inputs