About Peterson Strobe Tuners
Peterson Strobe Tuners is the consumer brand of Peterson Electro-Musical Products, Inc., a U.S.-based manufacturer specializing in high-precision strobe tuners, metronomes, and accessories for musicians, studios, and instrument technicians. The company is known for its mechanical and digital strobe tuners, clip-on tuners, pedal tuners, tuning software, and accessories such as power supplies, adapters, and footswitches sold directly through its online shop and dealer network.([petersonemp.com](https://www.petersonemp.com/directory/?utm_source=openai))
A charge with the descriptor “PETERSON ST 7083883311 USFRGN AMT” is likely from an online or phone purchase of a tuner, accessory, or downloadable software from Peterson Strobe Tuners or Peterson Electro-Musical Products using their main customer service number, 708‑388‑3311, which appears in their contact and e-commerce pages.([petersonemp.com](https://www.petersonemp.com/directory/?utm_source=openai)) You might see this for a one-time product purchase, shipping charges, or possibly a foreign transaction if your card issuer processed the payment as an international or cross-border transaction (hence the “USFRGN AMT” tag). Recurring charges are uncommon unless you purchased software or services that include ongoing licensing or upgrades.
If you’re unsure about the charge, start by checking your email for order confirmations from petersontuners.com or petersonemp.com around the transaction date, including spam or promotions folders. Compare the transaction amount to the prices listed for Peterson products and accessories in their online shop.([petersontuners.com](https://www.petersontuners.com/shop/Power?utm_source=openai)) If you still don’t recognize it, you can contact Peterson directly using the phone number on the descriptor (708‑388‑3311) or through their website support pages to ask them to look up the transaction by date and card details. If they can’t locate a matching order or you suspect fraud, immediately contact your card issuer to dispute the charge and request a new card number if needed.