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August 27, 2026 • Recall #26720

Studio Six Headphone Amplifiers Recall

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

Recall 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.

Hazards Identified

  • 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.

Consumer 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.

Affected Products

Product NameTypeUnits Affected
Studio Six Headphone AmplifiersHi-fi and Stereo Equip., Amplifiers, SpeakersAbout 90
Recalled Studio Six – Silver (top)
Recalled Studio Six – Silver (top)
ManufacturersNot specified
Retailers
Sold At: Independent stereo stores nationwide and online at aloaudio.com from December 2014 through December 2022 for about $3,900.

Verify Official Notice

Product recall terms or points of contact can change. Verify instructions directly with the CPSC announcement page.

View Official CPSC Notice

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