Stereo Audio Distribution Amplifier - 1X4

  • One Stereo Input to Four Stereo Outputs
  • Unbalanced Inputs on MINI or RCA Jacks
  • Unbalanced Outputs on RCA Jacks
  • Inputs and Outputs on Rear Panel
  • Front-Panel LEVEL Control
  • Dual-LED VU Meter for Each Channel
  • Gold-Plated Connectors
  • Front-Panel Stereo Audio Metering
  • Knob for Easy Level Adjustment
Recommended Power Supply ( Included )
PS-24AS (USA)PS-24AX (International)


The EZ-ADA4 is a stereo audio distribution amplifier with gain adjustment and audio level metering. The input is connected through RCA jacks or a mini-jack. A front-panel knob adjusts for high or low input levels using the left and right channel LED VU meters. Four stereo outputs are provided on RCA jacks. The EZ-ADA4 is used in stores, houses of worship, restaurants, clubs, security systems and commercial A/V systems.


Inputs (2):Stereo on dual RCA jacks or stereo mini jack, > 10 kΩ, −10 dBV nominal, +22 dBV max.
Level control:Off to 12 dB gain above nominal
Outputs (4):Stereo on dual RCA jacks, −10 dBV nominal, +16 dBV max.
Frequency Response:10 Hz to 20 kHz (±0.01 dB)
THD+N:< 0.03%
Crosstalk:<−80 dB (1 kHz)
Metering:Dual-LED VU Meter for Left and Right, calibrated to -10 dBV output
Noise:<−85 dB (below −10 dBV output)
24 Vdc power supply current:20 mA (idle), 60 mA (max.)
Case dimensions:5.75” (14.6 cm)W x 3” (7.6 cm)D
Mounting size:⅓ rack width.
Package Type:Cardboard Box
Tariff code:8543.70.9860
WEEE weight:0.565 lbs.
Shipping Weight:0.95 lbs.
Package Dimensions:9.5 x 7 x 2.25 in.

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CAD FilesUnitsFormat
Engineering Functional BlockAmericanDXF
Panel Diagram - FrontAmericanDXF
Panel Diagram - RearAmericanDXF
Panel Diagram - FrontMetricDXF
Panel Diagram - RearMetricDXF
High Res ImagesFormat
Declaration of Conformity

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