PowerConf S3 vs Speak2 75 Comparison
Compare PowerConf S3 vs Speak2 75 side by side: specs, ratings, pros and cons, and which one fits your room best.
On this page
At a Glance
PowerConf S3
The Anker PowerConf S3 is a Bluetooth speakerphone with six microphones and a 3 W speaker. Anker lists a pickup range of up to 4.9 m (16 ft) and rooms up to eight people.
- Best For
- Home offices
- Mics
- 6
- Pickup
- 4.9 m (16 ft)
- Talk Time
- 24 h
- BT
- 5.3
- Certified
- —
Speak2 75
The Jabra Speak2 75 is a portable speakerphone with four microphones, a 65 mm speaker and full-duplex audio, so people can talk at the same time without cutting each other off. Jabra rates the pickup at 2.5 m and the room size at up to 4.5 x 4.5 m.
- Best For
- Small rooms
- Mics
- 4
- Pickup
- 2.5 m
- Talk Time
- 32 h
- BT
- 5.2
- Certified
- Microsoft Teams, Google Meet, Amazon Chime, Cisco, Avaya, Unify, Alcatel-Lucent
Review Scores Compared
Expert Score
Mic Array & Full-Duplex
Speaker Clarity & Volume
Connectivity & Daisy-Chaining
Portability & Power
Call Controls & Certifications
Why PowerConf S3 Beats Speak2 75 (and Vice Versa)
Why PowerConf S3 beats Speak2 75
- Better mic array & full-duplex: 9.7 vs 8.5 out of 10
- Microphones: 6 vs 4
- Pickup Range: 4.9 m (16 ft) vs 2.5 m
- Battery Capacity: 6700 mAh vs 4700 mAh
- Bluetooth Version: 5.3 vs 5.2
- Weight: 340 g vs 466 g
Why Speak2 75 beats PowerConf S3
- Better speaker clarity & volume: 9.3 vs 5.0 out of 10
- Better connectivity & daisy-chaining: 9.6 vs 5.9 out of 10
- Mic Frequency Range: 150 Hz - 14,000 Hz (super-wideband up to 16 kHz) vs 16 kHz sample rate (HD voice)
- Speaker: 65 mm full-range vs 3 W
- USB Dongle: Yes vs No
- Link Two Units: Yes vs No
Review-score leads of 0.5+ points out of 10 first, then specs where only one comes out ahead.
Full Specifications
General
| PowerConf S3 | Speak2 75 | |
|---|---|---|
| Best For | Home offices | Small rooms |
| Ideal Room Size | Up to 8 people | Up to 4.5 x 4.5 m (14.76 x 14.76 ft) |
| Release Year | 2022 | — |
| Max People | 8 | — |
| Form Factor | Puck | Puck |
Microphones
| PowerConf S3 | Speak2 75 | |
|---|---|---|
| Microphones | 6 Better | 4 |
| Pickup Range | 4.9 m (16 ft) Better | 2.5 m |
| Mic Frequency Range | 16 kHz sample rate (HD voice) | 150 Hz - 14,000 Hz (super-wideband up to 16 kHz) Better |
| Full Duplex | Yes | Yes |
| Echo Cancellation | Yes | Yes |
| Noise Reduction | Yes | Yes |
| Pickup Pattern | 360° | — |
| Mic Type | — | Digital MEMS |
| Audio Bandwidth | — | Super-wideband (up to 16 kHz) |
| Automatic Gain Control | Yes (voice balancing) | Yes |
| De-reverberation | — | Yes |
Speaker
| PowerConf S3 | Speak2 75 | |
|---|---|---|
| Speaker | 3 W | 65 mm full-range Better |
| Max Output | — | 88 dB SPL @ 0.5 m |
| Speaker Frequency Range | — | 80 Hz - 20,000 Hz (music), 150 Hz - 14,000 Hz (speech) |
| Speaker Drivers | — | 1 |
| Music Playback | — | Yes |
Battery & Charging
| PowerConf S3 | Speak2 75 | |
|---|---|---|
| Talk Time | 24 h | 32 h |
| Battery | 6700 mAh | Li-ion, 4700 mAh |
| Charging Time | — | 2.5 h |
| Charges Your Phone | Yes (USB PowerIQ) | — |
| Battery Capacity | 6700 mAh Better | 4700 mAh |
| Charging Port | — | Integrated USB-C cable |
| Mains Powered | No | No |
Connectivity
| PowerConf S3 | Speak2 75 | |
|---|---|---|
| Connection | USB-C, Bluetooth | USB-C, USB-A, Bluetooth |
| Bluetooth Version | 5.3 Better | 5.2 |
| USB Dongle | No | Yes Better |
| Link Two Units | No | Yes Better |
| Certifications | — | Microsoft Teams, Google Meet, Amazon Chime, Cisco, Avaya, Unify, Alcatel-Lucent |
| USB Connector | — | Integrated USB-C cable with USB-A adapter |
| Cable Length | — | 0.75 m |
| Bluetooth Range | — | 30 m |
| Multiple Sources | — | Yes (2 simultaneous, 8 paired) |
| Bluetooth Profiles | — | A2DP, AVRCP, BLE, HFP, HSP |
Design & Build
| PowerConf S3 | Speak2 75 | |
|---|---|---|
| Weight | 340 g Better | 466 g |
| Dimensions | 124 x 124 x 28 mm | 132.5 x 35 mm (diameter x height) |
| Dust/Water Rating | — | IP64 |
| Management Software | AnkerWork app | Jabra Direct, Jabra Sound+, Jabra Xpress |
| Carry Case | — | Yes (carry pouch) |
| IT Remote Management | — | Jabra Xpress |
In the Box
| PowerConf S3 | Speak2 75 | |
|---|---|---|
| In the Box | Speakerphone, USB-A & USB-C cable, travel pouch | Speakerphone, Link 390 Bluetooth adapter (variant dependent), carry pouch |
| Warranty | 18 months | 2 years |
Identifiers
| PowerConf S3 | Speak2 75 | |
|---|---|---|
| Model Number | A3302 | — |
Compatibility
| PowerConf S3 | Speak2 75 | |
|---|---|---|
| Plug and Play | — | Yes |
Takeaways
- Our pick: Speak2 75, with the highest spec-based rating (4.5/5).
- Choose PowerConf S3 for home offices.
- Choose Speak2 75 for small rooms.
Pros and Cons
PowerConf S3
PROS
- Six microphones
- Up to 24 h talk time
- Bluetooth 5.3 and USB-C
- Charges a phone
CONS
- No Teams or Zoom certification listed
- Cannot link two units
Speak2 75
PROS
- Up to 32 h talk time
- Four mics with full duplex
- Bluetooth 5.2, Link 390 adapter on some variants
- IP64, link two units
CONS
- Heaviest portable model here at 466 g
- Pickup suits small rooms only
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Quick Verdict
- PowerConf S3 7.5Leads in Mic Array & Full-Duplex, Portability & Power
- Speak2 75 9.1Best overallLeads in Speaker Clarity & Volume, Connectivity & Daisy-Chaining