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Atlona AT-RON-448 8 Output HDMI Distribution Amplifier for TV Applications

Atlona AT-RON-448 8 Output HDMI Distribution Amplifier for TV Applications

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Regular price $963.00 USD
Regular price Sale price $963.00 USD
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Atlona AT-RON-448 8 Output HDMI Distribution Amplifier for TV Applications

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The Atlona Rondo™ 448 (AT-RON-448) is a 1×8 HDMI distribution amplifier for high dynamic range (HDR) formats. Part of the comprehensive family of Atlona 4K HDR integration products, it is HDCP 2.2 compliant and supports 4K/UHD video @ 60 Hz with 4:4:4 chroma sampling, as well as HDMI data rates up to 18 Gbps. The Rondo 448 is ideal for applications requiring the latest as well as emerging 4K/UHD and HDR sources and displays. This Rondo Series HDMI distribution amplifier includes EDID management features, front panel LED indicators for power and signal status, audio de-embedding to analog and coaxial S/PDIF audio outputs, and the capability to cascade several units without compromising performance.

The Rondo 448 is designed to deliver dependable, pristine-quality image presentations in commercial and residential applications.

  • Residential installations – The Rondo 448 is designed for AV systems with the latest UHD and HDR sources such as Ultra HD Blu-ray players, plus compatible televisions and projectors.
  • TV showrooms – The Rondo 448 can be used for reliable content distribution to televisions, to properly demonstrate the quality and appeal of 4K and HDR programming.
  • Professional AV applications – Atlona 4K HDR products are ideal for full-motion, highly detailed 4K graphics presentations for visualization, 3D renderings, simulations, and more.

1×8 HDMI distribution amplifier
  • Delivers high performance, reliable HDMI signal distribution
  • Easy to install and deploy in commercial and residential applications

4K/UHD capability @ 60 Hz with 4:4:4 chroma sampling, plus support for HDR formats
  • Ideal for new and emerging 4K/UHD and HDR-capable sources and displays
  • Compatible with 4K HDR10 and Dolby® Vision™ @ 60 Hz, as well as HLG (Hybrid Log-Gamma) for 60p HDR broadcast services

HDCP 2.2 compliant
  • Adheres to latest specification for High-bandwidth Digital Content Protection
  • Allows protected content stream to pass between devices

EDID management
  • Manages EDID communications with the source through a display’s EDID or internally stored EDID
  • Ensures desired audio formats and video resolutions are provided to the AV system

Supports cascading up to eight units
  • Combine multiple Rondo 448 and other Rondo Series distribution amplifiers without compromising performance or reliability
  • System designs and configurations can easily be adapted or modified as needed

HDMI audio de-embedding
  • Extracts HDMI two-channel PCM audio to the unbalanced analog stereo output, and two-channel PCM or multi-channel bitstream audio to the coaxial S/PDIF digital output
  • Provides an additional integration option for AV receivers and whole-house audio systems

Multi-channel audio compliant
  • Passes through multi-channel audio formats from the HDMI input
  • Supports PCM, Dolby Digital, Dolby Digital Plus™, Dolby TrueHD, Dolby Atmos®, DTS® Digital Surround™, DTS-HD Master Audio™, and DTS:X®

Field-updatable firmware
  • Device can be updated in the field via USB port

Front panel power and signal status LEDs
  • LED indicators provide power and HDMI input / output signal status information
  • Provides easy setup and troubleshooting

Rack-mountable 1U, full rack width enclosure
  • Installs easily in rack mounted systems with included 19” rack mount brackets
  • Reduces installation time and cost

Included accessories
  • Installation guide, rack mounting brackets, and external universal power supply


HDMI Specification: HDMI 2.0, HDCP 2.2
TMDS Clock: 600 MHz
UHD/HD: 4096×2160(DCI)@60/30/24 Hz, 3840×2160(UHD)@60/50/24/25/30 Hz, 1080p@23.98/24/25/29.97/30/50/59.94/60 Hz, 1080i@25/29.97/30 Hz, 720p@30/50/59.94/60 Hz
VESA: 2560×2048, 2560×1600, 2048×1536, 1920×1200, 1680×1050, 1600×1200, 1600×900, 1440×900,1400×1050, 1366×768, 1360×768, 1280×1024, 1280×800 1280×768, 1152×768, 1024×768, 800×600,640×480
Color Space: YUV, RGB
Chroma Subsampling: 4:4:4, 4:2:2, 4:2:0
Color Depth: 8-bit, 10-bit, 12-bit
HDR: HDR10, Hybrid Log-Gamma (HLG), and Dolby Vision™ @ 60Hz


Pass-through: PCM 2Ch, LPCM 5.1, LPCM 7.1, Dolby Digital®, DTS® 5.1, Dolby Digital Plus™, Dolby® TrueHD, DTS-HD Master Audio™, Dolby Atmos™, DTS:X™
Sample Rate: 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
Bit Rate: up to 24-bit


HDMI IN: 1 – Type A, 19-pin female
HDMI OUT: 8 – Type A, 19-pin female
ANALOG OUT: 1 – captive screw, 5-pin
S/PDIF OUT: 1 – RCA-type, female
FW: 1 – Mini-USB, Type-A
MAIN: 1 – locking connector, female
BACKUP: 1 – locking connector, female

Indicators and Controls

Power LED Indicators: 2 – LED, red (M, B)
Output LED Indicators: 8 – LED, blue ( 1 – 8)
EDID LED Indicators: 2 – LED, blue (INT, LEARN)
EDID: 1 – momentary, tact-type

Resolution / Distance

HDMI In/Out @ 4K: up to 5 meters: up to 15 feet
HDMI In/Out @ 1080p: up to 10 meters: up to 30 feet

Power Input: AC100-240V ~ 50/60Hz
Output: DC 5V
Consumption: 6.75 W
Safety: CE, FCC, cULus


Operating Temperature: 0°C to 50°C: 32°F to 122°F
Storage Temperature: -20°C to 60°C: -4°F to 140°F
Operating Humidity (RH): 20 to 90% non-condensing


Dimension (H x W x D): 44 x 433.8 x 255 (mm): 1.73 x 17.07 x 10.03 (inch)
Weight: 2.78 kg: 6.13 lbs
Safety: CE, RoHS, FCC

Echotone Music LLC is an experienced  long time E-commerce Audio & Musical instrument dealer since 1998.  We take pride in selling quality gear for musicians, sound engineers, production companies and broadcast applications.   

Shipping --Items are well packed and shipped  USPS, UPS or Pallet Freight Service.  Items purchased on Friday may not ship until Monday or until the projected processing period.  We are working hard to get your unit Built ( if needed), processed and shipped.

Returns/Refunds- If there is truly a manufacturing defect a return tag will be provided, otherwise customer pays for return shipping costs.

Returned items must be sealed/unopened in original, brand-new condition, showing no signs of wear or use such as mount marks, plug marks, scratches,  scuffs, dings or scrapes, screw mount marks or collateral material damage.. Items must also include all original packaging, manuals, warrantees & accessories or your return may be subject to a return handling charge.

Refunds or for the Item cost only. If the item was listed as free shipping then the cost of the shipment will be deducted from the units original cost. Gear returned with out all its original packaging, warranty cards and accessories or that shows signs of wear from use, will be subject to an additional service fee. This item is now used and it would be unfair to resell to another customer as new. 

The following products cannot be returned - Clearance items, Custom Builds, items identified as non-returnable, discontinued items, used or NOS items,  electronic software downloads, demo gear, strings, reeds, computers, tubes, earbuds, earplugs, recorders, harmonicas, raw-frame speakers, drumheads, drumsticks, turntable cartridges, fog fluids, clothing/footwear, cleaners, polishes & polishing cloths, software/soundware, books, CDs, DVD's, vinyl records, and videos.

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