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Stereo Audio Distribution Amplifier - 1X4

Radio Design Labs regular price - $ 199.95

  • 12795
  • Save $ 7200

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. MADE IN USA.


  • 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
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

Package Dimensions:              9.5 x 7 x 2.25 in.

Shipping Weight:                     0.95 lbs.

WEEE weight:                          0.565 lbs.

Tariff code:                               8518.40.2000

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