This product is discontinued and the information here is only for reference.

7.5 VDC Replacement Power Supply for Charging Systems (Discontinued)


The LA-204 power supply is compatible with both our LA-311 and LA-321 Charging/Carrying cases, and can be purchased separately as a backup or replacement option. It plugs into a standard 120 VAC outlet to provide consistent power for charging multiple units simultaneously.

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This product is available through authorized resellers.

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One (1) LA-204 7.5 VDC Replacement Power Supply for Charging Systems


  • Compatible with LA-311 and LA-321 Charging/Carrying Cases
  • Available for purchase as a backup or replacement for the original power supply included with those units
  • Provides consistent power to safely charge multiple units at the same time

Also Needed



Power Supply Input100-240 VAC, 50-60 Hz, 1200 mA
Power Supply Output7.5 VDC, 4 A, 30 W
Power Supply Connector.02 in. (5.0 mm) OD x .01 (2.5 mm) ID, barrel type


Shipping Weight2.0 lbs. (0.9 kg)
Cable Length12' End to End
Weight1.6 lbs. (0.7 kg)


Power Supply ComplianceUL Listed




+Is a LA-204 Power Supply included with the LA-311, LA-321?

Yes, but can be purchased as a replacement as well.

+What is Listen Technologies product warranty?

+ALS - Assistive Listening Systems

Listen Technologies Assistive Listening Systems are available for any venue:
Good: LS-40 – ADA compliant for rooms up to 50 capacity Better: LS -53 – ADA compliant for up to 200 capacity Best: LS-55 – Maximum coverage and ADA compliance for up to 200 capacity
Receivers can be added based on larger capacity – use the ADA Calculator to find out how many you need
For more options, please contact Listen's Sales Team at 1.800.330.0891 / +1.801.233.8992