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

Official action

Source. US Consumer Product Safety Commission

Official identifier. 26-720

Date. 2026-08-27

Jurisdiction. United States

Hazard (official). 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.

Action / remedy (official). 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.

Product. Studio Six Headphone Amplifiers

Identification details. 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.

Units. About 90

Incidents reported by CPSC. None reported

Remedy type. Repair

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

Official record

Licence: US Government recall data made available for business and application reuse

Attribution: Source: U.S. Consumer Product Safety Commission recall notice