The Radial SB5W is a stereo direct box made to fit in a standard single-gang electrical wall plate. This provides the AV integrator with a simple, yet effective means of connecting an unbalanced analog audio source such as the headphone output from a laptop computer, iPhone, tablet or line level source such as a CD player to a balanced audio system via a permanently mounted interface.
The design begins with all-steel construction for maximum durability and a fully shielded back box to help eliminate pollution from electromagnetic fields caused by dimmers, ballasts, power cables and transformers. Front panel 3.5mm TRS and RCA connectors provide a standard interface for any stereo source and a fully variable level control makes volume adjustments easy. Inside, the SB5W employs two great sounding transformers to convert the high impedance signal to a balanced low impedance capable of driving cables upwards to 100 meters (300') without noise. Transformers further benefit by eliminating hum and buzz caused by so-called ground loops and stray DC voltages that are common when interfacing consumer grade audio devices with professional audio systems. This is augmented with a set & forget ground lift switch. Should channel count be a problem, a recessed mono switch passively sums the stereo signal to a single output. The outputs feature screw terminals with tie-down points for tie-wraps to make installation fast, efficient and permanent.
Finished in a durable black powder coat and sized to fit a standard Decora wall plate, the Radial SB5W looks sharp with any color faceplate while providing clear labeling for easy manipulation for the pros and novices alike.
The Radial SB5W Wall plate DI... a world-class connectivity solution by Radial.
Using the SB5W with a Laptop
Connect the mini TRS audio jack from your laptop directly to the 3.5mm input on the SB5W and it automatically converts the unbalanced signal to a lo-Z balanced line to feed the PA system up to 100 meters away.
Using the SB5W with a CD player
Connect the line level output from your CD player or hi-fi using the convenient RCA jacks to feed the PA system at the far end of the room. Adjust the volume level from the source, the SB5W wall plate or the mixer channel.
Using the SB5W with a tablet
No need to convert from digital to analog! Simply connect the headphone out from your tablet or cell phone to the SB5W and let it do the work. Adjust the volume using the convenient front panel level control and sum to mono if need be.
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Rich Tone Music Ltd is a company registered in England with company number 05285423 and VAT Number 870 3855 09