COSINE Tier-1 distributor Jarwey｜Audio PAs for portable and walkie-talkie

Jarwey is a Tier-1 distributor of COSINE—selection support, datasheets, sampling & small batch, lead-time coordination.

COSINE Class-AB audio power amplifiers target portable audio, walkie-talkies, handsets, PDAs, and communications gear. Pick mono 1.2 W or stereo headset-class power from this page.

Datasheets from Jarwey. LM4890 / TPA6112A2 are evaluation anchors only.

Product features

Quality audio path; COS4890 delivers 1.2 W into 8 Ω; click/pop control; no output coupling cap; thermal protection.

Applications (vendor-stated)

Portable audio · walkie-talkies · mobile phones · PDAs · communications equipment.

Audio PA table

Checklist before freeze

1. Walkie / speaker: need 1.2 W mono COS4890?
2. Headset / PDA: stereo + differential → COS6112A2.
3. Battery: 2.5–5.5 V coverage.
4. Cap-less output: load match without coupling caps.
5. Samples: request from Jarwey.

Pages & contact

• COS4890SR · COS6112A2

Jarwey · COSINE Tier-1 distributor · kerry.w@jarwey.cn · Contact.