Studio Six Headphone Amplifiers
Recalled by AudioLineOut LLC, of Portland, Oregon
Consumer product recall
An electric shock hazard means the product can expose users to electrical current during normal use. These recalls are issued to prevent shock and electrocution injuries, and consumers are generally told to unplug and stop using the product.
AudioLineOut LLC, of Portland, Oregon has recalled Studio Six Headphone Amplifiers, according to the U.S. Consumer Product Safety Commission (CPSC). The recall was announced on August 27, 2026. It involves an electric shock hazard.
Below is a plain-English summary of what was recalled, why it was recalled, how to tell whether you have the affected product, and what steps you can take. For the complete and most current details, you can view the CPSC record linked further down this page.
What was recalled?
This recall covers Studio Six Headphone Amplifiers, with approximately About 90 affected. The company behind the recall is AudioLineOut LLC, of Portland, Oregon.
From the official recall notice: “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 a…”
Why was Studio Six Headphone Amplifiers recalled?
According to the CPSC, the hazard is described as follows: “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.” In plain terms, this recall relates to an electric shock hazard.
An electric shock hazard means the product can expose users to electrical current during normal use. These recalls are issued to prevent shock and electrocution injuries, and consumers are generally told to unplug and stop using the product.
Reported injuries at the time of the recall notice: None reported
What should you do?
If you think you may have bought Studio Six Headphone Amplifiers, compare it against the product description and identifying codes before using it.
The official recall notice states: “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.”
About this recall
This recall applies to products sold in the United States. RecallRadar summarizes recall information from public CPSC data to make it easier to understand. We are an independent service and are not affiliated with the CPSC or any government agency, so please always refer to the official source for the authoritative record — and note the “last synced” date shown on this page, since recall details can change over time.
Who this recall affects
This recall matters to anyone who bought Studio Six Headphone Amplifiers. Even if you feel fine, it's worth checking what you have on hand rather than assuming you were missed.
What electric shock hazard actually means
An electric shock hazard means the product can expose users to electrical current during normal use. These recalls are issued to prevent shock and electrocution injuries, and consumers are generally told to unplug and stop using the product.
In this case, the concern applies specifically to Studio Six Headphone Amplifiers from AudioLineOut LLC, of Portland, Oregon — not to the wider category of products. Similar items from other brands aren't part of this recall.
How to check whether you have it
On most consumer products, the model and serial number appear on a rating label — usually on the underside, the back panel, inside a battery compartment, or on a sewn-in tag for textiles and children's products. Check the original box if you still have it.
Compare what you find against the product details listed above. If the codes don't match, your item isn't part of this recall.
What to do if you already bought it
Stop using the product now and keep it away from children and pets until it's dealt with.
Follow the remedy in the official notice — typically a free repair kit, replacement, or refund from AudioLineOut LLC, of Portland, Oregon. You usually do not need a receipt.
Don't resell or donate a recalled product, and don't assume a second-hand version is safe — recalled items circulate for years on resale sites.
Full recall details
- Date reported
- August 27, 2026
- Recall started
- August 27, 2026
What you can do
Check whether any product you have matches the description and codes above. If it does, stop using it and follow the instructions in the official recall notice. When in doubt, contact the company or your local health authority.
Quick answers
Why was Studio Six Headphone Amplifiers recalled?+
According to the CPSC: When the amplifiers are used with aftermarket metal base tubes, the bare metal can become electri…
How serious is this recall?+
Consumer product recall. An electric shock hazard means the product can expose users to electrical current during normal use. These recalls are issued to prevent shock and electrocution injuries, and consumers are generally told to unplug and stop using the product.
What should I do if I have Studio Six Headphone Amplifiers?+
Compare your product against the description and identifying codes on this page. If it matches, stop using it and follow the instructions in the official recall notice — this usually means returning it for a refund or discarding it. When in doubt, contact the company or your local health authority.
Opens the U.S. Consumer Product Safety Commission (CPSC) data for this recall.
Recall number: CPSC-10955. Information last synced from the CPSC on September 3, 2026.