Louroe Electronics TLO User Manual
Louroe Electronics Audio accessories

DESCRIPTION
SPEAKER CONNECTION OF TLO
MICROPHONE CONNECTION OF TLO
The TLO is a two-way speaker with microphone and re-entry horn for high volume 
penetration. Weatherized for outdoor use, it is a microphone and speaker within one 
housing. In operation, the TLO provides both listen and talkback capabilities 
between the remote zone and Louroe base station, or with other compatible audio 
receiving devices such as Louroe AOP-SP70. 
MODEL TLO
Speaker connection is located near the rear of the TLO and has a plexiglass window. Remove window and connect the 
speaker portion of West Penn 356 (green and white wires) to the two terminal screws marked 1 and 2.
Green speaker wire goes to position 2 (positive)
White speaker wire goes to position 1 (negative)
The short cable extending from the back of the TLO is the microphone connection and consists of three wires: red, black 
and bare. Using recommended wiring (West Penn 356 or equivalent), make microphone connections using 20 gauge 
wire nuts, and matching 
wire with
, black with black and
wire with
wire. See diagram page 2.
red
red
bare
bare
see diagram below
POWER TAP SETTINGS
Located above the speaker connection is a set screw with a dial numbered 1 through 7. Using a small screw 
driver, adjust the set screw to correspond to the proper power tap setting with the following Louroe audio base 
stations.
IF TLO IS CONNECTED TO BASE STATION MODELS:
AP-1TB through AP-16TB
#1
1.8W
DG 12II and DG 25III
1 TLO per zone
#4
15.0W
2-4 TLO’s per zone using MLA-6 Mixer
#2
3.7W
If TLO is to be connected to Louroe AOP-SP70 conversion unit
#2
3.7W
for interfacing with a DVR or PC Soundcard, use setting
Setting
Wattage
1
2
1
2
3
5
6
7
Speaker connection
(WHITE-negative)
Speaker connection
(GREEN-positive)
1 through 7
power tap settings
set screw
WIRING REQUIREMENTS
4 Conductor consisting of:
+ 2 Conductor shielded,
20 gauge with 22 gauge drain 
(microphone connection)
+ 2 Conductor
unshielded, 18 gauge (speaker 
connection)
West Penn 356 or equivalent
TLO
OUTDOOR SPEAKER/MICROPHONE
INSTALLATION AND OPERATING INSTRUCTIONS
Page 1 of 4
tlo inst 3/15
6955 VALJEAN AVE, VAN NUYS, CA 91406
PH: (818)994-6498 / FAX: (818)994-6458
/ www.louroe.com
®
