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

U.S. CPSCElectric shockAug 27, 2026
Recalled Studio Six – Silver (top)
Recalled Studio Six – Silver (top)
Recalled Studio Six – Silver (back)
Recalled Studio Six – Silver (back)
Recalled Studio Six – Black (front)
Recalled Studio Six – Black (front)
Recalled Studio Six – Black (back)
Recalled Studio Six – Black (back)

Photos from the official notice: U.S. Consumer Product Safety Commission · image rights

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.

Remedy

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

Repair

Incidents & injuries

None reported

Product 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.

Sold on

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

Contact the company

AudioLineOut at 971-279-4357 from 8 a.m. to 5 p.m. PT Monday through Friday, email at [email protected], 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.

What should I do?

Stop using the product and follow the remedy below. Contact the company for a refund, repair or replacement — recall remedies are free.

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