The black DB-TPA1A 3.5W Audio Power Amplifier from RDL is a 2-pair audio amplifier compatible with the RDL Format A twisted pair products. Each D-TPA1A receives stereo audio and 24VDC power through a rear-panel RJ-45 jack. The left and right audio signals received on pairs B and C of the twisted pair 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 scratch-free gain adjustment.
The DB-TPA1A circuits are all designed for low power consumption. Amplification is provided by a high-efficiency Class D power stage with audio filtering tailored for crisp, pleasant audio clarity. The high-efficiency Class D output stage produces negligible heat for all levels of expected voice or music modulation. 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 or 8Ω speaker. The speaker cable connects to the module using a detachable terminal block. The front panel does not include any illuminated indicators, thereby making the DB-TPA1A Amplifier suitable for installation in dark rooms or areas. Installation is simple and quick, requiring only the connection of the speaker leads and the twisted pair RJ-45.
The DB-TPA1A Amplifier may be fed and powered from any RDL Format-A sender, and is useful in hospitality installations fed from a sender connected to a TV monitor (for example: FP-TPS4A Audio Sender from TV with fixed audio output level).
Use the DB-TPA1A Audio Power Amplifier wherever a single speaker, user-adjustable, wall-mounted amplifier is needed. It can be combined with other RDL Format-A products for a cost-effective, high-performance audio system.
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Prompt Shipping and Professional Packing
We can offer a variety of shipping options because of our long-term relationship with UPS FedEx DHL. Our warehouse staff will package every item to our exacting specifications. Your items are carefully inspected and secured properly prior to shipping. Everyday we deliver hundreds of packages to our customers from all over the world. This is a sign of our commitment to be the largest online retailer worldwide. Both Europe and the USA have distribution and warehouse centres.
It is important to note that orders with multiple items are processed according to the specific item.
Prior to shipment, we inspect the ordered items thoroughly. The majority of orders are shipped within 48 hrs. The estimated delivery time is between 3 and 7 days.
Returns
We do not control the inventory in our factory and warehouse. The levels of stock can change at any time. It's possible that the stock may run out after your order has been processed.
The period of time is 30 days. We are unable to return or exchange your purchase if it has been 30 days since the purchase.
In order to be eligible for a refund, your item must be unused and in the same state as when you received it in. It must also be in the original packaging.
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