ATH-M50xBT2 vs Blackwire 3320 Comparison
Compare ATH-M50xBT2 vs Blackwire 3320 side by side: specs, ratings, pros and cons, and which one fits your room best.
On this page
At a Glance
ATH-M50xBT2
The Audio-Technica ATH-M50xBT2 is the wireless version of the well-known ATH-M50x studio headphones. It uses 45 mm drivers, the largest in this group, with a 15 Hz-28 kHz response and an AK4331 DAC.
- Best For
- Music listeners
- Style
- Over-ear, closed-back
- Weight
- 307 g
- ANC
- None (closed-back passive isolation)
- Mics
- 2
- Boom Mic
- No
- Connect
- Bluetooth, 3.5 mm cable
- Certified
- —
Blackwire 3320
The Poly Blackwire 3320 is a wired stereo on-ear headset. It has 32 mm speakers, a noise-cancelling boom mic that rotates 280°, and an inline control with a Teams button on the Teams version.
- Best For
- Desk users
- Style
- On-ear stereo headband
- Weight
- 131 g
- ANC
- None
- Mics
- 1
- Boom Mic
- Yes (flexible boom, 280° rotation, 135 mm)
- Connect
- Wired USB-C with USB-A adapter
- Certified
- Microsoft Teams, Works With Chromebook
Review Scores Compared
Expert Score
Voice & Mic Clarity
Comfort & Ergonomics
Connectivity & Range
Certification & Controls
Why ATH-M50xBT2 Beats Blackwire 3320 (and Vice Versa)
Why ATH-M50xBT2 beats Blackwire 3320
- Driver Size: 45 mm vs 32 mm
- Microphones: 2 vs 1
- Mic Frequency Response: 85 Hz - 15 kHz vs 100 Hz - 10 kHz
Why Blackwire 3320 beats ATH-M50xBT2
- Better comfort & ergonomics: 9.3 vs 8.0 out of 10
- Better voice & mic clarity: 7.1 vs 5.8 out of 10
- Better certification & controls: 8.6 vs 8.0 out of 10
- Weight: 131 g vs 307 g
- Frequency Response: 20 Hz - 20 kHz vs 15 Hz - 28 kHz
- Microphone Setup: Noise-cancelling boom, 100 Hz - 10 kHz vs 2 MEMS, beamforming
Review-score leads of 0.5+ points out of 10 first, then specs where only one comes out ahead.
Full Specifications
General
| ATH-M50xBT2 | Blackwire 3320 | |
|---|---|---|
| Best For | Music listeners | Desk users |
| Wearing Style | Over-ear, closed-back | On-ear stereo headband |
Design & Build
| ATH-M50xBT2 | Blackwire 3320 | |
|---|---|---|
| Weight | 307 g | 131 g Better |
| Ear Cushions | — | Foam |
| Colors | — | Black |
| Dimensions | — | 166 x 40 x 199 mm |
Audio
| ATH-M50xBT2 | Blackwire 3320 | |
|---|---|---|
| Driver Size | 45 mm Better | 32 mm |
| Frequency Response | 15 Hz - 28 kHz | 20 Hz - 20 kHz Better |
| Bluetooth Codecs | LDAC, AAC, SBC | — |
| Driver Type | Closed-back dynamic | — |
| Impedance | 38 Ω | 32 Ω |
| Sensitivity | 99 dB/mW | — |
| Custom EQ | A-T Connect app EQ | — |
| Wired Listening | Yes (1.2 m 3.5 mm cable included) | — |
| Stereo / Mono | Stereo | Stereo |
| Speaker Bandwidth (Calls) | — | 20 Hz - 20 kHz |
| Sidetone | Yes | — |
Noise Cancelling
| ATH-M50xBT2 | Blackwire 3320 | |
|---|---|---|
| Noise Cancelling | None (closed-back passive isolation) | None |
| Active Noise Cancelling | No | — |
Microphone
| ATH-M50xBT2 | Blackwire 3320 | |
|---|---|---|
| Microphones | 2 Better | 1 |
| Microphone Setup | 2 MEMS, beamforming | Noise-cancelling boom, 100 Hz - 10 kHz Better |
| Call Noise Reduction | Beamforming | Yes (noise-cancelling microphone) Better |
| Boom Mic | No | Yes (flexible boom, 280° rotation, 135 mm) Better |
| Mute Control | Mute button | Inline mute button |
| Mic Frequency Response | 85 Hz - 15 kHz Better | 100 Hz - 10 kHz |
| Mic Pickup Pattern | Omnidirectional | — |
Battery & Charging
| ATH-M50xBT2 | Blackwire 3320 | |
|---|---|---|
| Charging Time | 3.5 h | — |
| Fast Charging | Yes (10 min = 3 h) | — |
| Music Time | 50 h | — |
| Charging Port | USB-C | — |
Connectivity
| ATH-M50xBT2 | Blackwire 3320 | |
|---|---|---|
| Connection | Bluetooth, 3.5 mm cable | Wired USB-C with USB-A adapter Better |
| Bluetooth Version | 5.0 | — |
| Multipoint | Yes (2 devices) | — |
| Wireless Range | 10 m | — |
| Certifications | — | Microsoft Teams, Works With Chromebook |
| Low-Latency Mode | Low latency mode | — |
| Bluetooth Profiles | A2DP, AVRCP, HFP, HSP | — |
| USB Audio | — | Yes |
| Cable Length | 1.2 m | 2.18 m Better |
| Google Fast Pair | Yes | — |
Controls & App
| ATH-M50xBT2 | Blackwire 3320 | |
|---|---|---|
| Controls | — | Inline: call answer/end, mute, volume, Teams button |
| Management Software | A-T Connect | Poly Lens |
| Voice Assistant | Amazon Alexa Built-in, Google Assistant, Siri | — |
In the Box
| ATH-M50xBT2 | Blackwire 3320 | |
|---|---|---|
| In the Box | 30 cm USB-A to USB-C cable, 1.2 m audio cable, pouch | Headset, USB-C to USB-A adapter, user guide |
| Warranty | 1-year limited | 2-year limited |
| Carry Case | Yes (pouch) | — |
Identifiers
| ATH-M50xBT2 | Blackwire 3320 | |
|---|---|---|
| Model Number | — | 8X220AA |
Compatibility
| ATH-M50xBT2 | Blackwire 3320 | |
|---|---|---|
| OS Compatibility | — | Windows 11, Windows 10, macOS, Android, iOS (USB-C) |
Takeaways
- Our pick: Blackwire 3320, with the highest spec-based rating (4/5).
- Choose ATH-M50xBT2 for music listeners.
- Choose Blackwire 3320 for desk users.
Pros and Cons
ATH-M50xBT2
PROS
- 45 mm drivers, largest here
- LDAC, AAC and SBC
- About 50 h battery
- Multipoint and low latency mode
CONS
- No active noise cancelling
- Heavier at 307 g
Blackwire 3320
PROS
- Noise-cancelling boom mic, 280° rotation
- USB-C with USB-A adapter
- Teams and Works With Chromebook certified
- SoundGuard Digital
CONS
- No ANC
- Wired only
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Quick Verdict
- ATH-M50xBT2 7.1No outright category lead
- Blackwire 3320 8.2Best overallLeads in Voice & Mic Clarity, Comfort & Ergonomics, Certification & Controls