Connecting Speaker Cables
1. Route the speaker cables from the amplifier and from each speaker zone to the speaker selector.
2. Strip 3/8” insulation from the end of the cable and twist the exposed end to avoid fraying.
3. Press on a “push-pin” terminal to reveal an eye into which the twisted cable is inserted; release the terminal to lock
the cable in place.
SS41, SS81 Speaker Selectors
SS81
Features
Thank you for giving Home Theater Direct the chance to win your business! We are confident you will find that HTD offers
an outstanding combination of performance and value in everything we make. To ensure you get the most out of your
new amplifier, please take a moment to read this manual before you get started. Should you lose this manual, you can
always download or print a copy from
www.htd.com
.
The HTD SS41 (shown above) and SS81 are low-profile speaker selector boxes that allow you to distribute a stereo
high-level (amplified) signal into multiple zones. Both models include a manually activated impedance protection circuit
that can be turned ON to prevent the impedance presented to your receiver from dropping below an unsafe level of 5
ohms, regardless of the number and impedance ratings of your speakers. The protection switch can also be turned off
when used as part of a planned system of impedance matching volume controls, allowing you to get the most out of your
amplifier. Please see the HTD web site for instructions for planning an impedance matching system.
If you are unsure,
consult a professional contractor.
3/8”
+ –
INPUT
– +
+ –
OUTPUT
– +
+ –
4
– +
+ –
3
– +
+ –
2
– +
+ –
1
– +
PROTECTION
CIRCUIT
SWITCH
OFF ON
Speaker Output 4
Speaker Output 3
Speaker Output 2
Speaker Output 1
Amplifier Inputs
Pass-through
Outputs
+ –
4
– +
+ –
3
– +
+ –
2
– +
+ –
1
– +
Push-pin Terminals
Connecting your HTD Speaker Selector
The terminals on the rear of the speaker selector will accommodate 14 gauge cable which will suffice for even long
connections (greater than 100 feet of wire). For shorter distances, 16- or 18-gauge wire will suffice. For behind-the-
wall installations, we recommend using UL Class 3 approved cable (marked “CL3”) for compliance with local building
codes. When connecting a speaker and amplifier, it is important to retain the correct polarity. To do this, be sure that
the wire attached to the +, red, or positive terminal on the speaker connects to the +, red, or positive terminal on the
rear of the selector box. Similarly, the –, black, or negative terminal on the speaker must connect to the respective –,
black, or negative terminal on the selector box. Polarity should also be maintained when connecting your amplifier’s
outputs to the amplifier inputs on the selector box.
SS41
1
2
3
4
Zone Buttons
Never place a speaker selector where it is exposed to excessisve moisture or
heat. Leave at least 1” of space above the unit for heat dissipation.
SS41 and SS81 Specifications
SS41
SS81
Listening Zones
4
8
Protection Circuit High Power Resistors
2 x 10 ohm/15 watt per channel
3 x 10 ohm/15 watt per channel
Power Handling with Protection Circuit ON
70 watts/channel
100 watts/channel
Power Handling with Protection Circuit OFF
140 watts/channel
200 watts/channel
Dimensions: H x W x D (inches)
1.75 x 8.5 x 4.5
1.75 x 17 x 4.5
