Extron Electronics FF 220T User Guide - Manual (Page 13)

b. Connect the red positive (+) wire to the + speaker terminal and the black negative (‑)
wire to the ‑ speaker terminal depending on whether one or two speakers are being
connected.
Red Wire
Black Wire
From Amplifier
One Speaker
From Amplifier
Red Wire
Black Wire
To Second Speaker
From Amplifier
To Second Speaker
Two Speakers
Figure 11. Wiring the Speaker Terminals
Finishing Steps, All Installation Types
10. Replace the transformer cover plate and tighten the two cover plate screws that were
loosened in step
3 .
11. Temporarily test the system and speakers by powering on the amplifier and listening for
the correct response from the speakers, then disconnect power from the amplifier.
12. For installation in a square ceiling grid, remove a tile and place the speaker on the
existing support rails and position it so that the speaker edges are hidden by the
support rails, as shown below.
Extron
FF 220T
Ceiling
Speakers
Ceiling Tile
Ceiling Tile
Rails
Figure 12. Installation in a Square Ceiling Grid
FF 220T User Guide • Installation 9