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AudioLineOut Recalls Studio Six Headphone Amplifiers Due to Risk of Serious Injury or Death from Electrocution Hazard

Consumer ProductsSource: CPSC · Date: 2026-08-27

Read the official notice at CPSC →

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The text below is copied from the official CPSC record. If anything differs, the official notice is correct.

Company / brand
AudioLineOut LLC, of Portland, Oregon
Product
Studio Six Headphone Amplifiers
Reason / hazard
When the amplifiers are used with aftermarket metal base tubes, the bare metal can become electrified, posing a risk of serious injury or death from electrocution.
What to do (remedy)
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.
Distribution / sold at
Sold At: Independent stereo stores nationwide and online at aloaudio.com from December 2014 through December 2022 for about $3,900.
Description
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.
Injuries
None reported
Consumer 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.
Images
["https://www.cpsc.gov/s3fs-public/studiosix-1.png", "https://www.cpsc.gov/s3fs-public/studiosix-2.png", "https://www.cpsc.gov/s3fs-public/studiosix-3.png"]
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