RDL®

HD Series products are constructed in durable metal enclosures ½ rack width, 2RU in height. This series features front-panel user controls and indicators. Connectors are located on the rear panel. Chassis are finished in black powder coat. The front panels feature a full color reverse-printed polycarbonate laminate surrounded by raised end caps. The distinctive appearance of the HD products complements rack mounting or standalone use.

The front panels feature bold graphics, simple indicators and large comfortable control knobs and buttons for ease of use by end users. HD products offer a broad range of features and external controls and module accessory connections on the rear panels.

Available RDL accessories permit one or two HD products to be mounted in 2 RU. Rack mounting is easy and takes only seconds. The HD product drops into the rack adapter, slides forward and is secured by tightening four screws. For standalone use, each product is supplied with rubber feet secured by screws. HD accessories permit a variety of mounting options to conceal wiring for a professional finished appearance.

Attractive styling, intuitive end-user operation, high quality panel controls and connectors, and durable construction make RDL HD products a preferred long-term resource for system design solutions.

  • HD-ASC1

    Amplifier Security Cover

    • Mounts to an HD Series Mixer / Amplifier
    • Prevents Tampering with User Level Controls
    • Access to Power Button and Associated LED Indicators when Installed
    • All-Steel Construction
  • HD-BP1

    BACK-PACK Rear Cover

    • Mounts to an HD Series Mixer / Amplifier
    • Holds RDL Desktop Power Supply
    • Prevents Tampering with Rear Panel Connections
    • All-Steel Construction
  • HD-FP1

    Filler Panel

    • Fills an Unused Half of Rack Adapter
    • May be Mounted In Front of an HD Series Product to Prevent User Adjustment or Tampering
    • All-Steel Construction
  • HD-FP2L

    Filler Panel with Lens

    • Mounts In Front of an HD Series Product to Prevent User Adjustment or Tampering
    • Clear Lens is Removable During Setup
    • May be Used to Fill an Unused Half of Rack Adapter
  • HD-HRA1

    Rack Mount for 1 HD Series Product

    • Mounts One HD Series Product in a 10.4″ Rack
    • Mount Product Forward to Allow User Control
    • Mount HD Product Behind a Filler Panel to Prevent User Adjustment or Tampering
    • All-Steel Construction
  • HD-MA35

    35 Watt Mixer Amplifier with Power Supply - Low Impedance Output 4 Ohm or 8 Ohm

    • Three inputs with individual front-panel volume controls
    • Bass and Treble tone controls
    • Designed for background music with paging and music-on-hold
    • Master volume VCA controlled with remote adjustment capability
    • Manual or automatic (VOX) priority ducking
    • Balanced inputs and amplified outputs on detachable terminal blocks
    • Unbalanced inputs and outputs on RCA jacks
    • Includes power supply
    • High-efficiency Class D operation
  • HD-MA35A

    35 Watt Mixer Amplifier with Power Supply - Constant Voltage Output 25 V, 70 V or 100 V

    • Three inputs with individual front-panel volume controls
    • Bass and Treble tone controls
    • Designed for background music with paging and music-on-hold
    • Master volume VCA controlled with remote adjustment capability
    • Manual or automatic (VOX) priority ducking
    • Balanced inputs and amplified outputs on detachable terminal blocks
    • Unbalanced inputs and outputs on RCA jacks
    • Includes power supply
    • High-efficiency Class D operation
  • HD-MA35U

    35 Watt Mixer Amplifier - 4 Ohm / 8 Ohm, with Power Supply

    • Four inputs with individual front-panel volume controls
    • Bass and Treble tone controls
    • Designed for background music with paging and music-on-hold
    • Master volume VCA controlled with remote adjustment capability
    • Manual or automatic (VOX) priority ducking
    • Balanced inputs and amplified outputs on detachable terminal blocks
    • Unbalanced inputs and outputs on RCA jacks
    • Includes power supply
    • Automatic sleep mode meets strictest energy saving standards
  • HD-MA35UA

    35 Watt Mixer Amplifier - 25, 70, 100 V, with Power Supply

    • Four inputs with individual front-panel volume controls
    • Bass and Treble tone controls
    • Designed for background music with paging and music-on-hold
    • Master volume VCA controlled with remote adjustment capability
    • Manual or automatic (VOX) priority ducking
    • Balanced inputs and amplified outputs on detachable terminal blocks
    • Unbalanced inputs and outputs on RCA jacks
    • Includes power supply
    • Automatic sleep mode meets strictest energy saving standards
  • HD-PA35

    35 Watt Power Amplifier with Power Supply - Low Impedance Output 4 Ohm or 8 Ohm

    • One input with front-panel volume control
    • Bass and Treble tone controls
    • Designed as a single zone amplifier
    • Master volume VCA controlled with remote adjustment capability
    • Amplifier output on detachable terminal block
    • Unbalanced summing inputs on RCA jacks
    • Includes power supply
    • High-efficiency Class D operation
  • HD-PA35A

    35 Watt Power Amplifier with Power Supply - Constant Voltage Output 25 V, 70 V or 100 V

    • One input with front-panel volume control
    • Bass and Treble tone controls
    • Designed as a single zone amplifier
    • Master volume VCA controlled with remote adjustment capability
    • Amplifier output on detachable terminal block
    • Unbalanced summing inputs on RCA jacks
    • Includes power supply
    • High-efficiency Class D operation
  • HD-PA35U

    35 Watt Power Amplifier - 4 Ohm / 8 Ohm, with Power Supply

    • One input with front-panel volume control
    • Bass and Treble tone controls
    • Designed as a single zone amplifier
    • Master volume VCA controlled with remote adjustment capability
    • Amplifier output on detachable terminal block
    • Unbalanced summing inputs on RCA jacks
    • Includes power supply
    • Automatic sleep mode meets strictest energy saving standards
  • HD-PA35UA

    35 Watt Power Amplifier - 25, 70, 100 V, with Power Supply

    • One input with front-panel volume control
    • Bass and Treble tone controls
    • Designed as a single zone amplifier
    • Master volume VCA controlled with remote adjustment capability
    • Amplifier output on detachable terminal block
    • Unbalanced summing inputs on RCA jacks
    • Includes power supply
    • Automatic sleep mode meets strictest energy saving standards
  • HD-RA2

    Rack Adapter

    • Mounts One HD Series Product in a 19″ Rack
    • Occupies Two RUs in 19″ Rack
    • May be Used with HD Series Filler Panels
    • All-Steel Construction
  • HD-RA35U

    35 Watt Remote Mixer Amplifier - 4 Ohm / 8 Ohm, with Power Supply

    • Four audio inputs
    • Paging input with front-panel volume control
    • Three inputs with VCA volume control adjusted using RDL remote control
    • Bass and Treble tone controls
    • Designed for background music with paging and music-on-hold
    • Manual or automatic (VOX) priority ducking
    • Balanced inputs and amplified outputs on detachable terminal blocks
    • Unbalanced inputs and outputs on RCA jacks
    • Includes power supply
    • Automatic sleep mode meets strictest energy saving standards
  • HD-RA35UA

    35 Watt Remote Mixer Amplifier - 25, 70, 100 V, with Power Supply

    • Four audio inputs
    • Paging input with front-panel volume control
    • Three inputs with VCA volume control adjusted using RDL remote control
    • Bass and Treble tone controls
    • Designed for background music with paging and music-on-hold
    • Manual or automatic (VOX) priority ducking
    • Balanced inputs and amplified outputs on detachable terminal blocks
    • Unbalanced inputs and outputs on RCA jacks
    • Includes power supply
    • Automatic sleep mode meets strictest energy saving standards
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