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Clear-Com PS-704 4-Channel 2-Amp Power Supply

Model: PS-704

Clear-Com PS-704 4-Channel 2-Amp Power Supply
Clear-Com PS-704 4-Channel 2-Amp Power Supply
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About: Clear-Com PS-704 4-Channel 2-Amp Power Supply

The Clear-Com PS-704 is a four-channel, single rack-space intercom power supply that features Clear-Com’s "fail-safe" design for maximum reliability. The power supply delivers 1.2 amps at 30 volts, supplying power for one to four channels of intercom. It will support up to 40 beltpacks, 10 speaker stations or 12 headset stations.

In the event of a DC short circuit or current overload on a channel, the electronic overload protection circuit will shut down the DC output to that channel. The other channels will continue operating normally. As soon as the fault condition is removed the "auto-reset" circuitry will automatically restore system power, even under full load conditions. Unlike other intercom systems, there is no need to disconnect remote stations to allow the power supply to reset.

For increased system capacity or backup redundancy, two or more power supplies can be connected in parallel.

In addition to providing system operating power, the PS-704 offers four channels of intercom with switchable line terminations for each channel. Two parellel XLR connectors per channel are provided. The power supply connects to remote stations with standard 2-conductor shielded mic cable.

The PS-704 accepts a line-level program input signal, with a global input-level control. Front-panel-mounted program on/off switches and level controls for each channel allow the user to feed program audio to any or all of the intercom channels.

The DC power status of each channel may be monitored with the individual "short" LED's. If a channel is overloaded or develops a short, the LED for that channel will light.

The unit's power supply will accept input voltages between 100 and 240 VAC, for trouble-free use anywhere.

Unitized chassis construction of heavy-gauge aluminum and an extra-thick front panel create a rugged, durable steel, able to withstand the rigors of portable use.

The PS-704 conforms to the highest standards of performance, providing trouble-free service over a wide range of environmental conditions.


  • Only one rack space high
  • Provides up to 2 amps total power
  • Supports up to 40 beltpacks, 10 speaker stations or12 headset stations
  • One to four channels of intercom with individualchannel power protection
  • Automatic short circuit protection and reset for eachchannel
  • Program input with selectable channel assignment andindividual channel level controls
  • Can be paralleled with other power supplies and mainstations for increased capacity or backup support
  • Switchable terminations on each channel
  • Unitized chassis construction for strength anddurability
  • Universal power supply accepts 100-240 VAC
  • UL listed and CE certified

Reviews: Clear-Com PS-704 4-Channel 2-Amp Power Supply

There are currently no product reviews.

Warranty: Clear-Com PS-704 4-Channel 2-Amp Power Supply Warranty:

30 Days

Manufacturer's Warranty:

All Clear-Com brand systems and products, including wired and wireless belt packs, have a Limited Warranty of two years, with the following exceptions:

  1. Clear-Com headsets, handsets, microphones, UHF wireless IFB products, and the following DX and PRO products: AC850 Charger, BAT850 Battery, BAT41 and BAT850 batteries, HS12, headsets, remote antenna cables, SP10 Speaker, XLR Adapters and HS20-2 headsets have a Limited Warranty of one year.
  2. Cables, accessories, components and consumable items including the BP850 battery sled, Beltpack antennas, Beltpack configuration cable, HS4-2 Earpiece, RMK850 Mounting Kit, RAK850 Remote Kit, Beltpack pouch, DX headset extension cable, HS4-3 Earpiece, HSI6000, RMK200, Splitter/Combiner, WS200 Battery Sled, Foam inserts in travel case, CAT-5 cable, base antenna have a Limited Warranty of 90 days.
  3. Any Clear-Com product that has been classified as obsolete at the time of sale has a Limited Warranty of 90 days from sale and will be replaced with the same product or a sales credit will be issued, at the sole discretion of Clear-Com. 
  4. Clear-Com PRO 850 series wireless base station and Beltpacks have a Limited Warranty of three years.
  5. Clear-Com UHF WBS Analog wireless intercom systems have a Limited Warranty of three years.
  6. All software products, including Concert (Client and Server), ECS, EHX, Production Maestro Pro and Logic Maestro are warranted for one year and shall substantially conform to published specifications. The media on which the Software is furnished is warranted to be free of defects in material and workmanship (under normal use) for a period of one year.