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

CPSC recall number

Recall number: 26-720

Recall

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

Product

Name of Product: Studio Six Headphone Amplifiers

Recall date

Recall Date: August 27, 2026

Hazard

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 type

Remedy: Repair

What to do

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.

Units affected

Units: About 90

Incidents and injuries

Incidents/Injuries: None reported

Recalling firm

Distributor(s): AudioLineOut LLC, of Portland, Oregon

Manufactured in

Manufactured In: United States

Sold at

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

Which items are affected

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.