Precision Audio and AV Interface Products

Radio Design Labs

EZ-HDA4B Stereo Headphone Distribution Amp - 1X4 Rear-Panel Outputs

  • One Stereo Input to Four Stereo Outputs
  • Unbalanced Inputs on Rear Panel
  • Input on MINI, 1/4" (6.3 mm) or RCA Jacks
  • Headphone Outputs on Rear Panel
  • Outputs on MINI Jacks
  • Front-Panel LEVEL Control for Each Output
  • Gold-Plated RCA Input Connectors
  • Each Output is Driven Separately
  • Knobs for Easy Level Adjustment
  • Overview
  • Specifications
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The EZ-HDA4B contains four stereo headphone amplifiers with individual front-panel volume controls. Headphone outputs are provided on rear-panel MINI jacks. One stereo input signal feeds all the amplifiers. Stereo RCA jacks, a MINI jack and a 1/4" jack are provided for connecting the input source. The EZ-HDA4B is used in music stores, houses of worship, studios, museums, home component systems and commercial sound systems.

Inputs (3):
Stereo on dual RCA jacks, stereo mini jack or 1/4” (6.3 mm) TRS, > 10 kΩ, -10 dBV nominal, +8.5 dBV max. (RCA and 1/4”), -16 dBV nominal, +2 dBV max. (Mini)
Outputs (4):
Stereo on Mini jacks (rear panel), 60 mW (100 Ω load)
Level control:
Off to +2.5 dB gain (RCA and 1/4” inputs, 100 Ω output load), Off to +9 dB gain (Mini input, 100 Ω output load)
Frequency Response:
20 Hz to 50 kHz (±1.5 dB, 100 Ω load)
THD+N:
< 0.1% (10 mW output, 100 Ω load)
Crosstalk:
< -75 dB (1 kHz)
Noise:
< -95 dB (below 10 mW output, 100 Ω load, maximum gain)
24 Vdc power supply current:
40 mA (idle), 65 mA (max.)
Case dimensions:
5.75” (14.6 cm)W x 3” (7.6 cm)D
Mounting size:
1/3 rack width.
Package Type:
Cardboard Box
Package Dimensions:
9.5 x 7 x 2.25 in.
Shipping Weight:
0.975 lbs.
WEEE weight:
0.575 lbs.
Tariff code:
8543.70.9860

Documents:
Format
PDF
CAD Files:
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High Res Images:
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EZ SERIES

RDL EZ Series products provide the highest level of value to A/V professionals and A/V users who demand professional quality. Based on decades of industry-leading technology in professional A/V and installed sound and video, EZ products capitalize on RDL´s renowned automated manufacturing to yield unsurpassed value. EZ products are a step up from other industry manufacturers´ utility modules, and are a leap up from consumer-grade products.

The EZ series offers unparalleled flexibility. Each unit is fully labeled on the front and rear for use either as a finished product or as a utility module. Installation of multiple products is quick and easy using the comprehensive range of EZ rack mounts, chassis, bezels, drawers and accessories. High quality full-size switches, long life controls, quality connectors, solid-state audio and video switching, gold plating and superior engineering combine to make EZ the best value in the industry. EZ products are attractive, reliable, packed with features and are simple to install and operate. When long-term performance, quality and value matter, the choice is EZ.

EZ products are made in the USA by RDL, the inventor of application-specific modules bringing decades of experience as the world´s leading manufacturer of high-reliability performance products to the A/V industry. EZ SERIES modules are designed and manufactured in the U.S.A.

EZ-HDA4B EZ-HDA4B