# item.guide
Side-by-Side Comparison Jack Connectors

6.35 mm (1/4") TRS vs. 6.35mm TS

Comparing 2 standards across 8 specifications. 6 key differences identified.

Comparing:
6.35 mm (1/4") TRS
6.35mm TS

6.35mm TRS is the 3-conductor version of the quarter-inch phone connector, wired for either balanced mono line/microphone signals in professional audio gear or stereo signals in full-size headphones -- the same wiring logic as 3.5mm TRS at four times the shaft diameter.

View full 6.35 mm (1/4") TRS spec sheet →

6.35mm TS (Tip-Sleeve) is the 2-conductor version of the quarter-inch phone connector, carrying a single unbalanced mono signal. It's the standard connector for electric guitar and instrument cables, unchanged in essentials since its telephone-switchboard origins.

View full 6.35mm TS spec sheet →

Specification Comparison Table

8 Parameters
Parameter / Spec
Connector Family
Phone Jack (Quarter-Inch / Standard Phone) Phone Jack (Quarter-Inch / Standard Phone)
Shaft / Plug Diameter
6.35 mm (1/4") 6.35 mm (1/4")
Conductors / Contacts
3 (Tip, Ring, Sleeve) 2 (Tip, Sleeve)
Signal Format
Balanced Mono / Unbalanced Stereo Unbalanced Mono Audio
Primary Applications
Studio reference headphones, audio interface line in/out, balanced mixer interconnects Electric guitar/bass cables, instrument patch leads, amplifier inputs, effects pedals
Standard Stereo Pinout
Tip: Left | Ring: Right | Sleeve: Ground
Balanced Mono Pinout
Tip: Hot (+) | Ring: Cold (-) | Sleeve: Ground
Standard Mono Pinout
Tip: Hot Signal (+) | Sleeve: Ground / Shield