PowerConf S3 vs Speak2 55 Comparison
Compare PowerConf S3 vs Speak2 55 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 55
The Jabra Speak2 55 is a smaller sibling of the Speak2 75. It has four microphones, a 50 mm speaker, full-duplex audio and a 2.3 m pickup range.
- Best For
- Desk calls
- Mics
- 4
- Pickup
- 2.3 m
- Talk Time
- 12 h
- BT
- 5.1
- Certified
- Microsoft Teams, Google Meet, Amazon Chime
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 55 (and Vice Versa)
Why PowerConf S3 beats Speak2 55
- Better mic array & full-duplex: 9.7 vs 8.4 out of 10
- Better portability & power: 9.6 vs 8.4 out of 10
- Microphones: 6 vs 4
- Pickup Range: 4.9 m (16 ft) vs 2.3 m
- Talk Time: 24 h vs 12 h
- Battery Capacity: 6700 mAh vs 1800 mAh
Why Speak2 55 beats PowerConf S3
- Better speaker clarity & volume: 8.8 vs 5.0 out of 10
- Mic Frequency Range: 150 Hz - 7,000 Hz (wideband) vs 16 kHz sample rate (HD voice)
- Speaker: 50 mm full-range vs 3 W
- Weight: 280 g vs 340 g
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 55 | |
|---|---|---|
| Best For | Home offices | Desk calls |
| 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 55 | |
|---|---|---|
| Microphones | 6 Better | 4 |
| Pickup Range | 4.9 m (16 ft) Better | 2.3 m |
| Mic Frequency Range | 16 kHz sample rate (HD voice) | 150 Hz - 7,000 Hz (wideband) Better |
| Full Duplex | Yes | Yes |
| Echo Cancellation | Yes | Yes |
| Noise Reduction | Yes | Yes |
| Pickup Pattern | 360° | — |
| Mic Type | — | Digital MEMS |
| Audio Bandwidth | — | Wideband (up to 8 kHz) |
| Automatic Gain Control | Yes (voice balancing) | Yes (outgoing audio) |
Speaker
| PowerConf S3 | Speak2 55 | |
|---|---|---|
| Speaker | 3 W | 50 mm full-range Better |
| Max Output | — | 85 dB SPL @ 0.5 m |
| Speaker Frequency Range | — | 100 Hz - 20,000 Hz (music), 150 Hz - 7,000 Hz (speech) |
| Speaker Drivers | — | 1 |
| Music Playback | — | Yes |
Battery & Charging
| PowerConf S3 | Speak2 55 | |
|---|---|---|
| Talk Time | 24 h Better | 12 h |
| Battery | 6700 mAh | Li-ion, 2 x 900 mAh |
| Charging Time | — | 2.5 h |
| Charges Your Phone | Yes (USB PowerIQ) | — |
| Battery Capacity | 6700 mAh Better | 1800 mAh |
| Charging Port | — | Integrated USB-C cable |
| Mains Powered | No | No |
Connectivity
| PowerConf S3 | Speak2 55 | |
|---|---|---|
| Connection | USB-C, Bluetooth | USB-C, USB-A, Bluetooth (phone/tablet only) |
| Bluetooth Version | 5.3 Better | 5.1 |
| USB Dongle | No | No |
| Link Two Units | No | No |
| Certifications | — | Microsoft Teams, Google Meet, Amazon Chime |
| USB Connector | — | Integrated USB-C cable with USB-A adapter |
| Cable Length | — | 0.8 m |
| Bluetooth Range | — | 30 m |
| Multiple Sources | — | Yes (2 simultaneous, 8 paired) |
| Bluetooth Profiles | — | A2DP, AVRCP, BLE, HFP |
Design & Build
| PowerConf S3 | Speak2 55 | |
|---|---|---|
| Weight | 340 g | 280 g Better |
| Dimensions | 124 x 124 x 28 mm | 120 x 33 mm (diameter x height) |
| Dust/Water Rating | — | IP64 |
| Management Software | AnkerWork app | Jabra Direct, Jabra Xpress |
| Carry Case | — | Yes (carry pouch) |
| IT Remote Management | — | Jabra Xpress |
In the Box
| PowerConf S3 | Speak2 55 | |
|---|---|---|
| In the Box | Speakerphone, USB-A & USB-C cable, travel pouch | Speakerphone, carry pouch |
| Warranty | 18 months | 2 years |
Identifiers
| PowerConf S3 | Speak2 55 | |
|---|---|---|
| Model Number | A3302 | — |
Compatibility
| PowerConf S3 | Speak2 55 | |
|---|---|---|
| Plug and Play | — | Yes |
Takeaways
- It's a tie on our rating (4/5) between PowerConf S3 and Speak2 55, so choose on the rows that matter most to you.
- Choose PowerConf S3 for home offices.
- Choose Speak2 55 for desk calls.
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 55
PROS
- Four mics with full duplex
- IP64
- Light at 280 g
- Teams and Google Meet certified
CONS
- 12 h talk time
- Bluetooth for phones and tablets only
Similar Comparisons
PowerConf S3 vs Speak2 40
- PowerConf S3 vs Sync 20
- PowerConf S3 vs CP900
Speak2 55 vs Speak2 40- Speak2 55 vs Sync 20
- Speak2 55 vs CP900
Quick Verdict
- PowerConf S3 7.5Leads in Mic Array & Full-Duplex, Portability & Power
- Speak2 55 8.2Best overallLeads in Speaker Clarity & Volume, Connectivity & Daisy-Chaining