RDL D-PA3 3.5 Watt Audio Amplifier (White)

RDL D-PA3 3.5 Watt Audio Amplifier (White)

RDL D-PA3 3.5 Watt Audio Amplifier (White)


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Expected availability: 7-10 business days

Product Highlights

  • Wall-Mounted Amplifier with 2 Inputs
  • 3.5W RMS Audio Amplifier into 8 ohms
  • 6.5W RMS Audio Amplifier into 4 ohms
  • Balanced Input on the Rear Panel
  • Mini-Jack Input on the Front Panel
  • Front-Panel Gain Adjustment
  • Speaker Output on the Rear Panel
  • Automatic Switching Between Inputs
  • High-Efficiency Class D Operation
  • Thermal and Short-Circuit Protection
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This item is noncancelable and nonreturnable.

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RDL D-PA3 overview

  • 1Description

The wall-mounted, white D-PA3 3.5 Watt Audio Amplifier from RDL comes with two line inputs and an amplified output to drive a 4 or 8-ohms speaker. It features a balanced line level input that may be connected to unbalanced. The gain range will accommodate standard unbalanced levels as well as professional balanced levels. In addition, it also features a stereo mini-jack input on the front panel, which is designed to receive standard -10 dBV consumer level signals from sources such as, a computer or personal media player. The left and right audio signals received on the mini-jack are summed to mono and amplified. When a source is connected, the rear-panel input is switched off. The amplified output level is controlled by a front-panel volume control.

A recessed slide switch on the side of the chassis is set during installation, which determines the sensitivity of the balanced rear-panel input. Amplification is provided by a high-efficiency Class D power stage with audio filtering tailored for crisp, pleasant audio clarity. The high-efficiency Class D output stage produces negligible heat for all levels of expected voice or music modulation. It is designed so that it can be mounted in a wall box. The front panel of the amplifier does not include any illuminated indicators, which makes it ideally suited to installation in dark rooms or areas. Its wiring is connected through a rear-panel detachable terminal block. The module operation is from a 24 VDC ground-referenced power supply.

Wall-mounted amplifier with 2 inputs
3.5W RMS audio amplifier into 8 ohms
6.5W RMS audio amplifier into 4 ohms
Output drives 4-ohms or 8-ohms speaker
Balanced input on the rear panel
Mini-jack input on the front panel
Automatic switching between inputs
Source selection using solid-state switching
Front panel gain adjustment
Speaker output on the rear panel
High efficiency class D operation
Ultra-compact all metal construction
Thermal and short-circuit protection
UPC: 813721015921
In the Box
RDL D-PA3 3.5 Watt Audio Amplifier (White)
  • Limited 3-Year Warranty
  • Table of Contents
    • 1Description

    RDL D-PA3 specs

    Input 2 x 20 kOhms balanced or unbalanced bridging
    Input Level +4 dBu nominal (balanced, low input sensitivity)
    -15 dBV nominal (unbalanced, high input sensitivity)
    Minimum Input Level +18 dBu (balanced, maximum gain)
    -19 dBV (unbalanced mini-jack, maximum gain)
    Maximum Input Level +22 dBu (low input sensitivity)
    +4 dBu (high input sensitivity)
    Output Power 3.5 W RMS (Maximum, into 8 ohms)
    6.5 W RMS (Maximum, into 4 ohms)
    Gain Adjustment Single-turn audio taper (front-panel)
    Frequency Response 20 Hz to 20 kHz (±1 dB)
    Total Harmonic Distortion(THD) + N < 0.1% (@ 1 kHz, 1 W)
    Noise < -80 dB (below 1 W RMS, balanced input)
    < -70 dB (below 1 W RMS, mini-Jack input)
    CMRR > 50 dB (50 Hz to 120 Hz)
    Power Requirement 24 VDC @ 30 mA (idle)
    55 mA (1/8 power, normal voice or music)
    225 mA (3.5 W into 8 ohms)
    Ambient Operating Environment Maximum: 32 to 104°F (0 to 40°C)
    Recommended: 68°F (20°C)
    Compliance RoHS
    Construction All metal construction
    Dimensions (W x H x D) 1.70 x 4.13 x 2.05" (43.18 x 104.90 x 52.07 mm)
    Packaging Info
    Box Dimensions (LxWxH) 4.625 x 3.625 x 2.125"

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