Hosa GPM-103

3.5mm (F) to TRSM Adapter - Balanced
Hosa GPM-103 image 1
Hosa GPM-103 image 1
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Hosa GPM-103
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Hosa Adapters - Quality & Affordability!

Hosa adapters are built with the hard-working, hard-touring musician or audio professional in mind. Hosa adapters are exceedingly popular, due in part to their reputation as being one of the most affordable and high-quality adapter lines in the business. Hosa adapters have also received praise for their durability and excellent performance. When it comes to audio adapter design, Hosa keeps a steady eye on the basics, and you can hear this attention to detail in their sound. To make your next music experience extraordinary, pick up a Hosa adapter today!

All Hosa cables and adapters, including hard-wired stage snakes and stage boxes, purchased in the USA are warranted by Hosa Technology, Inc. to be free of defects in material and workmanship for the lifetime of the original purchaser.

  • Type: Balanced
  • Connector: Female 1/8" to Male TRS

Additional Media

Cable Buying Guide

Tech Specs

Connector 1 TRS Female 1/8
Connector 2 TRS Male 1/4
Quantity 1
Manufacturer Part Number GPM-103

Customer Reviews

Based on 5 reviews
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Good Product for Cheap

For the money, this little guy did a great job. I`ve used him on my UltraSone HFI-450 headphones while listening to synths and such. So, again, great adapter for cheap.
Music background: Live Sound Engineer, Musician


works perfectly-adapter allowed me to plug my 3.5mm headphones into 1/4" keyboard receiver.
Music background: hobbyst

3.5mm f to TRS m

i think it's getting loose already. had to use it for a while to see if it'dv last longer than the radio shack brand. i've gone through alot of these and what i'm finding is that only the screw on connectors can take the strain of the cord hanging, but TS connectors tend to give out after the weight hangs for a time, the 3.5 female insert is the most notorious on any device or adapter, so maybe Hosa deserves more than i'm giving them; i've been happy w/the other cables and the TRS to 3.5. it's just the torque on the jack always loosens the little arm pin on the inside, which you can easily bend back to tighten if your adapter has a screw on collar, but for obvious reasons you can't w/the molded plastic housing. either way, these connectors have always been to delicate and can't stand up to being moved regularly. nature of the beast
Music background: songwriter20+yrs,dubbing since'90,house sound&worship leader@SHILOH HOME OF HOPE

Quality control issue on Hosa GPM-103

I purchased two, one worked, the other provided a noisy connection. Pretty simple device, so I decided to investigate - you can see the detailed results on youttube (search hosa adapter noisy) but the bottom line is that 1/8" male plugs (I tried several) wiggle in the female adapter, cutting out the signal.

Loose. Chord falls out on own upon first use

The 1/8th in. chord I purchased at the same time with this literally just falls out on its own. It's extremely loose. I'm not sure if my inability to play music through my brand new amp is because of the chord, or because of how loose this adapter is. I have used both less than 10 times and I'm already no longer able to play music through it. I've had trouble with it ever since my first use which is extremely irritating. I have to hold my chord by hand and stand there in a certain way to play music and it not fall out. Both my phone and amp I play music through are brand new, and my friends aux chord and adapter work perfectly fine through my amp. I know it was cheap, but I didn't know that the product was meant to not last. I do NOT recommend these to anyone. It's time and money consuming. Not worth buying a product that doesn't even work.
Music background: Jazz musician
See also: Hosa, Hosa Adapters