AudioLineOut Recalls Studio Six Headphone Amplifiers Due to Risk of Serious Injury or Death from Electrocution Hazard
CPSC recall 26720 · announced August 27, 2026 · Audiolineout · 90 units affected
The product
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.
The 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 (per CPSC)
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. Remedy type: Repair
Notes
Incidents (per CPSC): None reported
Sold at: Sold At:
Independent stereo stores nationwide and online at aloaudio.com from December 2014 through December 2022 for about $3,900.
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.
Source: U.S. Consumer Product Safety Commission public recall data. This page reports official records and is not legal, medical, or repair advice.