Can I connect 3.5mm TRS to 2.5mm TS?

3.5mm TRS and 2.5mm TS are not directly compatible. You will need a Passive adapter to connect them.

Do I need an adapter for 3.5mm TRS to 2.5mm TS?

Yes, you need a 3.5mm TRS to 2.5mm TS adapter to connect 3.5mm TRS to 2.5mm TS.

Will connecting 3.5mm TRS to 2.5mm TS cause signal loss?

No significant signal degradation is expected when connecting 3.5mm TRS to 2.5mm TS.

3.5mm TRS ↔ 2.5mm TS

Compatibility check and signal path analysis

Adapter Required

These connectors are not directly compatible. An adapter or converter cable is needed.

Recommended: 3.5mm TRS to 2.5mm TS adapter

Signal Path

3.5mm TRS Audio

Adapter

2.5mm TS Audio

3.5mm TRS

Family Audio

Form Factor Cylindrical 3.5mm

Pin Count 3

Reversible Yes

2.5mm TS

Family Audio

Form Factor Cylindrical 2.5mm

Pin Count 2

Reversible Yes

Notes

3.5mm TRS to 2.5mm TS: Both are audio connectors. A passive adapter or cable usually works, though impedance matching may be needed for professional applications. The 3.5mm TRS (Audio) and 2.5mm TS (Audio) share the same connector family.