OEM Systems Air-Bus AB-Tx — Wireless Subwoofer Transmitter Owner's Manual

Owner's manual for the OEM Systems Air-Bus AB-Tx Wireless Subwoofer Transmitter — a compact 2.4GHz frequency-hopping FSK transmitter that sends a wireless audio link from a receiver/preamp to a compatible Air-Bus wireless subwoofer receiver.

Box Contents

• AB-Tx Transmitter
• AC Adapter
• Manual

Features

• Dual RCA inputs accept left, right, and LFE signals (LFE shared with the right RCA input)
• Compact design for inconspicuous placement
• Universal input voltage (100–240VAC, 50–60Hz)
• 2.4GHz FSK (Frequency Shift Keying) technology hops between available channels for reliability
• Narrow bandwidth for superior performance in congested wireless environments

Getting to Know Your AB-Tx

Front Panel

Power/Status Indicator: Off = no power; Steady = on and linked; Slow flash = no link; Fast flash = searching for link.

Rear Panel

• Power Input Jack — 5 VDC input
• RCA Input — Left, Right/LFE gold-plated input connector
• Pair Button — used to pair the wireless transmitter with the wireless receiver

Wireless Pairing Instructions

1. Turn on the subwoofer and transmitter.
2. Press & hold the transmitter PAIR button until the transmitter LED flashes quickly.
3. Within 30 seconds, press & hold the subwoofer PAIR button until the PAIR LED flashes quickly.
4. Within seconds, both LEDs will stop flashing and become steady — the wireless link is complete.

Note: Only one receiver/subwoofer can be paired to a transmitter. If two receiver/subwoofers are used wirelessly, each device must have its own wireless transmitter.

Connection

Connection of the AB-Tx requires a common shielded RCA-type coaxial cable, or a shielded two-conductor wire with RCA-type connectors. No signal connection cable is provided since cable length is installation-specific.

AC Power

The unit ships with a Universal-Voltage AC adapter. Remove it from packaging and insert the connector into the jack on the back of the transmitter. Connect power only after all other connections are made, then plug the AC adapter into an AC wall receptacle.

Placement of the Wireless Transmitter

Wireless transmitters perform best when placed away from other wireless devices (routers, other transmitters) and with minimal obstructions impeding the signal path.

Connection Options

Option 1 (Preferred if no LFE output available): If a line-level Front Channel Output or Preamplifier Output is available but no LFE/Subwoofer output exists, connect the left and right line-level front channel outputs of your receiver or preamplifier/processor to the Left/Right Sub inputs of the AB-Tx.

Option 2 (Preferred if LFE output available): If the amplifier connects to a modern home theater receiver/processor with an available LFE or Subwoofer output, connect that line-level LFE or Subwoofer output to the Right/LFE Sub input of the AB-Tx.

Specifications

Safety Precautions

• Read and keep these instructions; heed all warnings.
• Do not use this apparatus near water; clean only with a dry cloth.
• Do not block ventilation openings; install per the manufacturer's instructions.
• Do not install near heat sources such as radiators, heat registers, stoves, or other heat-producing apparatus (including amplifiers).
• Do not defeat the safety purpose of a polarized or grounding-type plug.
• Protect the power cord from being walked on or pinched.
• Only use attachments/accessories specified by the manufacturer.
• Unplug during lightning storms or when unused for long periods.
• Refer all servicing to qualified service personnel — service is required if the apparatus is damaged, exposed to liquid or moisture, doesn't operate normally, or has been dropped.
• Warning: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture, and do not place liquid-filled objects (such as vases) on top of it.

FCC ID: WUO-WTX1010