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Transformative Engineering SB-1 Stereo Audio Balun with IR Pass-Thru

Transformative Engineering SB-1 Stereo Audio Balun with IR Pass-Thru

Stereo Audio Balun with IR Pass-Thru. Audiophile-quality Analog Audio.
Sold and packaged in pairs.

$130.00 MSRP
Availability: In Stock

Product Information

Many times all you need is a simple device to route Stereo Audio over long distances, but want a high quality, fully shielded, Balanced-Line for best hum rejection. This is it. With the addition of a 2-conductor pass-thru connection, you can also do IR or relay activation.

These units, sold and used in pairs, are passive and require no power supply. They are good for 100 Meters of CAT5 or CAT6 UTP cable.

Product Features

Product Specifications


Stereo Line Level Audio, RCA (Male) type connectors (2)
2-Conductor, 1/8” (Mini Phone Male) for IR Pass-Thru (1)
RJ-45 Jack for UTP Connection (1)

Case Style:

Extruded Aluminum, Fully shielded and grounded

FREQ. Resp.:

20-20KHz +- 3dB, .1% THD@1KHz/1V p-p


IR Passive connection


3 Years Parts and Labor


(2) SB-1 units per box (matched pair)
(1) Dual-Female mini-jack adapter

Additional information

Weight 0.5 lbs
Dimensions 5 × 4 × 1 in

PVC-coated Products; PVC-coated Wires and Cables

WARNING: This product may expose you to chemicals including DINP and/or DEHP, which are known to the state of California to cause cancer and birth defects or other reproductive harm. For more information go to or our information page: California Proposition 65 Info.