Hosa

Hosa GPP-359 Dual 1/4" TRS to TRS Adapter

4.2 (52 reviews)

Effortlessly Split Your Stereo SignalThe Hosa GPP-359 Dual 1/4" TRS to 1/4" TRS Adaptor. This adapter is designed to split a single stereo signal, making it perfect for headphone sharing or creating parallel audio paths. Function: Splits a stereo signal Connectors: Dual 1/4" TRS to 1/4" TRS Ide...

$4.95*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Effortlessly Split Your Stereo Signal

The Hosa GPP-359 Dual 1/4" TRS to 1/4" TRS Adaptor. This adapter is designed to split a single stereo signal, making it perfect for headphone sharing or creating parallel audio paths.

  • Function: Splits a stereo signal
  • Connectors: Dual 1/4" TRS to 1/4" TRS
  • Ideal Use: Headphone adapter (one jack to two headphones)
  • Brand: Hosa
  • Color: Black

Key Features

1/4" Stereo Source to Dual 1/4" Stereo Output Adapter

Specifications

Connector Type
1/4" TRS
Function
Signal summing/splitting
Input
Dual 1/4" TRS
Output
Single 1/4" TRS
Construction
Durable

Pros & Cons

👍 Pros

  • Efficiently converts dual 1/4" TRS connections into a single 1/4" TRS connection, streamlining cable setups.
  • Offers versatile audio routing capabilities, allowing it to either sum two balanced signals or split one into two.
  • Its compact design ensures it is small and highly portable, making it suitable for flexible audio configurations on the go.
  • Features durable construction, engineered for reliable performance and long-lasting use in various audio environments.
  • Functions as an essential tool for both studio and live applications, ideal for connecting mixers, audio interfaces, and instruments.

👎 Cons

  • The adapter converts and combines signals, which may not be suitable for applications requiring discrete signal paths without summing.
  • Its compact size means it is a passive adapter and does not offer active signal boosting or impedance matching for complex setups.
  • The product's function is limited to 1/4" TRS connections, meaning it is not compatible with other cable types like XLR or RCA.
  • While durable, its small form factor could make it easier to misplace in a busy studio or live sound environment.
  • The dual 1/4" TRS input design might be less intuitive for users accustomed to single input adapters for splitting or summing.

Frequently Asked Questions

The primary function of this adapter is to convert dual 1/4" TRS signals into a single 1/4" TRS connection, enabling both signal summing and splitting.
Yes, this adapter offers versatile audio routing, allowing it to split one balanced signal into two.
Yes, its durable construction and compact design make it an essential tool for both studio and live applications, including instrument connections.
This adapter is designed with 1/4" TRS connectors for both its input (dual) and output (single) connections.
No, the adapter features a compact design, making it small and portable for flexible audio setups.