Product Spotlight

RDL’s D-TPA1A 3.5 W Audio Power Amplifier is a Format-A two-pair receiver and audio amplifier.? This module receives stereo audio and 24 Vdc power through a rear-panel RJ45 jack using standard CATx (CAT-5 or greater) twisted pair cable. Left and right audio signals received on pairs B and C of the cable are summed to mono and amplified. The amplified output level is set by an internal VCA which is controlled by a front-panel volume control. The VCA attenuator provides years of glitch and scratch-free gain adjustment.

When the user reduces the audio level to minimum, the class D output stage is switched off. This sleep mode remains active until the user turns up the output level.? The output drives either a 4 Ohm or 8 Ohm speaker. The speaker cable connects to detachable terminal block on the rear panel.

The front panel does not include any illuminated indicators, making it ideally suited for installations in dark rooms or areas. ?Installation is simple and quick, requiring only the connection of the speaker leads and the CATx cable.

The D-TPA1A can be fed and powered from any RDL Format-A sender and is ideal in hospitality installations fed from a sender connected to a TV monitor (i.e., the FP-TPS4A Audio Sender connected to a TV's AUX Output with fixed output level), or from Format-A distributors that provide signals to individual audio systems such as small offices and cubicles.

Available in white, black, and stainless steel, use the D-TPA1A wherever a single speaker user-adjustable wall mounted amplifier is needed. ?Or combine the amplifier with other RDL Format-A products for a cost-effective, high-performance audio system.

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