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CPSC recall,

AudioLineOut Studio Six Headphone Amplifiers

Studio Six Headphone Amplifiers can electrify bare metal, risking serious injury or death from electrocution.

Summary by Recall Canary from the CPSC notice

What happened

AudioLineOut LLC, of Portland, Oregon, is recalling its Studio Six Headphone Amplifiers because, when used with aftermarket metal base tubes, the bare metal can become electrified, posing a risk of serious injury or death from electrocution. No incidents have been reported. The recall was announced by the U.S. Consumer Product Safety Commission on August 27, 2026.

The recalled amplifiers, model ST6, are black or silver and measure 15-3/4 inches high by 12 inches wide. The lower level height is 5-3/4 inches, and the total height from the top of the upper level to the bottom is 20-3/4 inches. The front has four audio connectors for headphones, and the back has three sets of L and R RCA inputs and a connector for an auxiliary power device.

They were sold at independent stereo stores nationwide and online at aloaudio.com from December 2014 through December 2022 for about $3,900.

Consumers should stop using the recalled amplifiers immediately and contact AudioLineOut for a free repair. Alternatively, consumers can use the originally supplied vacuum tubes.

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What to do

If yours is listed below:

  1. Stop using the recalled amplifiers immediately.
  2. Contact AudioLineOut for a free repair.
  3. Contact AudioLineOut at support@aloaudio.com for a prepaid shipping label to ship back the product for repair.
  4. Alternatively, consumers can utilize the originally supplied vacuum tubes.

What you get Repair

Call AudioLineOut 971-279-4357

Full text from CPSC

Consumers should stop using the recalled amplifiers immediately and contact AudioLineOut for a free repair. Consumers should contact AudioLineOut at support@aloaudio.com for a prepaid shipping label to ship back the product for repair. Alternatively, consumers can utilize the originally supplied vacuum tubes.

Is yours affected?

Compare these details with your product, then check the CPSC notice for which ones are recalled.

  1. Studio Six Headphone Amplifiers

    Model number
    • ST6

Product description from CPSC

This recall involves Studio Six Headphone Amplifiers with model ST6. The amplifiers are black or silver. The amplifiers measure 15-3/4 inches high by 12 inches wide. The height for the lower level of the unit, top to bottom, is 5-3/4 inches; the height from the top of the upper level to bottom of the unit is 20-3/4 inches. In the front of the unit, there are four audio connectors for headphones. In the back, there are three sets (L and R) of RCA inputs. Also in the back is a connector for an auxiliary power device.

Recall details

Recalled
Sold in

Sold at Independent stereo stores nationwide.

Online at aloaudio.com.

From Dec 2014 to Dec 2022.

Price: about $3,900.

Company
AudioLineOut LLC
Hazard
Electric shock hazard
Recall number
26-720
Units affected
About 90
Reported incidents
None reported
Contact
AudioLineOut at 971-279-4357 from 8 a.m. to 5 p.m. PT Monday through Friday, email at support@aloaudio.com, or online at https://aloaudio.com/ and click on “Safety Notice” or go directly to https://aloaudio.com/pages/studio-six-headphone-amplifier-safety-recall for more information and to fill out a contact form.
Made in
United States
Distributed by
AudioLineOut LLC, of Portland, Oregon

Timeline

  1. Announced by CPSC · Listed on Recall Canary

  2. Summary updated

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Summary by Recall Canary, written with AI · summary updated Oct 2, 2026 · primary source: U.S. Consumer Product Safety Commission (opens in a new tab)