RDL FP-AVDA4 – 1x4 Stereo Audio/Video Distributor, Phono Jacks is backordered and will ship as soon as it is back in stock.
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What is the RDL FP-AVDA4?
The RDL FP-AVDA4 is a 1x4 distribution amplifier that splits one composite video signal and one stereo audio signal to four destinations at once. All connections use phono (RCA) jacks, making it a direct fit for consumer-format sources feeding multiple displays and audio inputs. Its compact all-metal FLAT-PAK housing suits equipment racks, lecterns and AV furniture.
How does it work?

The FP-AVDA4 accepts a single 75 Ω video input and left and right unbalanced audio inputs on top-panel phono jacks. It provides four source-terminated 75 Ω video outputs, each paired with a stereo audio output located next to it. Audio and video outputs run at unity gain, so the signal level at each destination matches the source. Unused outputs do not need to be terminated, which simplifies partial deployments. Video bandwidth is flat to 10 MHz, and audio frequency response extends from 20 Hz to 40 kHz (±0.25 dB). Output isolation of more than 45 dB on video and audio crosstalk better than 75 dB help keep each feed clean. The module runs from ground-referenced 24 Vdc at 60 mA; RDL recommends the PS-24AS (USA) or PS-24AX (international) supply, not included. For rack installation, use the FP-HRA 10.4-inch rack mount, FP-RRA 19-inch rack adapter or FP-RRB1 rear rail kit.
What are the key features?
- Four video plus stereo audio outputs — One source feeds four destinations with paired composite video and stereo audio.
- 75 Ω video input and outputs — Source-terminated outputs match standard composite video lines.
- Wideband video — Video response is flat to 10 MHz (±0.2 dB) for clean distribution.
- Unity gain — Audio and video outputs match the source level without adjustment.
- No termination needed on unused outputs — Spare outputs can be left open without affecting the active feeds.
- Ultra-compact all-metal construction — The FLAT-PAK housing fits in tight equipment spaces.
Where is it typically used?
- Training room
- Multi-purpose room
- Conference room
- House of worship
- Government space
Technical Specifications
| Video input | Phono jack, 1 V p-p, 75 Ω |
| Video outputs (4) | Phono jacks, 1 V p-p into 75 Ω |
| Video gain | Unity |
| Video frequency response | 10 Hz to 10 MHz (±0.2 dB) |
| Video output isolation | > 45 dB |
| Differential gain / phase | 0.1% / 0.1 degree |
| Audio inputs (2) | Phono jacks (stereo), -10 dBV unbalanced |
| Audio input impedance | 10 kΩ, bridging |
| Audio outputs (8) | Phono jacks (4 stereo), -10 dBV |
| Audio output impedance | 150 Ω, drives 10 kΩ lines |
| Audio frequency response | 20 Hz to 40 kHz (±0.25 dB) |
| Audio headroom | > 18 dB |
| Audio crosstalk | Better than 75 dB (20 Hz to 20 kHz) |
| Power requirement | Ground-referenced 24 Vdc @ 60 mA |
| Operating environment | 32°F to 131°F (0°C to 55°C) |
| Dimensions | 1.20 x 3.25 x 6.41 in (3.05 x 8.26 x 16.28 cm) H x W x L |
| Shipping weight | 0.895 lb |
Frequently Asked Questions
What signal formats does the FP-AVDA4 distribute?
Composite video at 1 V p-p into 75 Ω and unbalanced stereo audio at -10 dBV, all on phono jacks.
Do I have to terminate unused outputs?
No. RDL states that unused outputs need not be terminated.
Is a power supply included?
No. It needs ground-referenced 24 Vdc at 60 mA; RDL recommends the PS-24AS (USA) or the PS-24AX (international).
Can the FP-AVDA4 be rack mounted?
Yes, using RDL FLAT-PAK mounting accessories such as the FP-HRA 10.4-inch rack mount, FP-RRA 19-inch rack adapter or FP-RRB1 rear rail kit.
Is there any gain adjustment?
No. Audio and video outputs are fixed at unity gain.
What warranty applies?
This product is covered by a 7-year RDL warranty. For warranty claims, RMAs or support, contact Creation Networks at (888) 230-3661 or sales@creationnetworks.net.
At Creation Networks, we do everything we can to create an excellent customer experience. This includes fast shipping and easy returns.
- Most in-stock orders placed Monday-Friday ship within 24-48 hours. General restrictions apply; please see our full shipping policy here.
- We offer a 30-day return policy from the delivery date on many products. Product restrictions apply. Restocking fees for the return of open-box items. Please see our full return policy here for more information.
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