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Sennheiser
Sennheiser Profile Wireless
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Released 2024-10
Best Wireless Mic Systems · head-to-head
Sennheiser Profile Wireless vs Sony ECM-W3
A sourced, side-by-side comparison. Sony ECM-W3 is cheaper at $469. Every spec and price links to its source.
Sony
Sony ECM-W3
$469
Released 2023
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Sennheiser Profile Wireless | Sony ECM-W3 |
|---|---|---|
| US price | — | $469 |
| Brand | Sennheiser | Sony |
| Released | 2024-10 | 2023 |
| Rf band type | 2.4GHz+BT | 2.4GHz |
| Transmitter count | 2 | 2 |
| Range meters | — | 150 |
| Tx battery life hrs | 7 | 6 |
| Total battery hrs | — | — |
| Onboard recording hrs | 30 | — |
| Bit depth float | Yes | No |
| Latency ms | 8 | — |
| Max spl (dB) | 113 | 120 |
| Noise cancellation | No | Yes |
| Output interface | USB-C | 3.5mm-TRS |
| Weight grams tx | 27 | 17 |
Sources — Sennheiser Profile Wireless: sennheiser.com (verified 2026-07-11). Sony ECM-W3: helpguide.sony.net (verified 2026-07-11).
What's the difference between the Sennheiser Profile Wireless and Sony ECM-W3?
Where the two actually differ on the specs we track (7 of 12). Matching specs are omitted.
- Rf band type: Sennheiser Profile Wireless 2.4GHz+BT vs Sony ECM-W3 2.4GHz
- Tx battery life hrs: Sennheiser Profile Wireless 7 vs Sony ECM-W3 6
- Bit depth float: Sennheiser Profile Wireless true vs Sony ECM-W3 false
- Max spl (dB): Sennheiser Profile Wireless 113 vs Sony ECM-W3 120
- Noise cancellation: Sennheiser Profile Wireless false vs Sony ECM-W3 true
- Output interface: Sennheiser Profile Wireless USB-C vs Sony ECM-W3 3.5mm-TRS
- Weight grams tx: Sennheiser Profile Wireless 27 vs Sony ECM-W3 17
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Sennheiser Profile Wireless
Three whitelisted outlets — TechRadar, Tom's Guide and SoundGuys — each reviewed this exact model hands-on (two weeks, a week of recording tests, and a week respectively) but published no lab measurements. All praise the charging-bar design that doubles as a handheld mic, the app-free/auto-pairing setup and automatic backup recording as a safety net. Sound quality splits them: excellent to TechRadar, merely good-enough to Tom's Guide, and clear/competent to SoundGuys (7.8/10). (3 sourced reviews, 3 lab-tested.)
Praised: Charging bar design that doubles as a handheld/broadcast mic and neatly stores every component; Easy, app-free / auto-pairing setup with universal connectivity (USB-C, Lightning, cold shoe, TRS); Automatic backup/onboard recording (16GB per transmitter) as a safety net against signal drops.
Flagged: No active noise cancellation, so background noise leaks through in loud environments; No 32-bit float recording, unlike the pricier DJI Mic 2 / Rode Wireless Pro; Sound trails similarly priced rivals (Shure MoveMic 88+, DJI Mic 2) on warmth.
Sony ECM-W3
No sourced tester review yet.