Speak2 55 vs Sync 20 Comparison

Compare Speak2 55 vs Sync 20 side by side: specs, ratings, pros and cons, and which one fits your room best.

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At a Glance

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.

View on Jabra (opens in a new tab)

Best For: Desk calls
Mics: 4
Pickup: 2.3 m
Talk Time: 12 h
BT: 5.1
Certified: Microsoft Teams, Google Meet, Amazon Chime

Sync 20

The Poly Sync 20 is a personal speakerphone with a three-mic steerable array, a 40 mm speaker and a 2 m pickup range for rooms up to about 4 x 4 m.

View on Poly (opens in a new tab)

Best For: Personal desk use
Mics: 3
Pickup: 2 m
Talk Time: 20 h
BT: 5.1
Certified: Microsoft Teams (Teams model), Zoom

Review Scores Compared

Expert Score

Speak2 558.2/10 Leads
Sync 208.1/10

Mic Array & Full-Duplex

Speak2 558.4/10 Leads
Sync 207.9/10

Speaker Clarity & Volume

Speak2 558.8/10
Sync 208.9/10 Leads

Connectivity & Daisy-Chaining

Speak2 556.2/10 Leads
Sync 205.8/10

Portability & Power

Speak2 558.4/10
Sync 209.4/10 Leads

Call Controls & Certifications

Speak2 559.5/10
Sync 2010.0/10 Leads

Why Speak2 55 Beats Sync 20 (and Vice Versa)

Why Speak2 55 beats Sync 20

Better mic array & full-duplex: 8.4 vs 7.9 out of 10
Microphones: 4 vs 3
Pickup Range: 2.3 m vs 2 m
Mic Frequency Range: 150 Hz - 7,000 Hz (wideband) vs 100 Hz - 6.7 kHz
Speaker: 50 mm full-range vs 40 mm
Charging Time: 2.5 h vs 4 h

Why Sync 20 beats Speak2 55

Better portability & power: 9.4 vs 8.4 out of 10
Better call controls & certifications: 10.0 vs 9.5 out of 10
Max Output: 86 dB SPL (nominal) vs 85 dB SPL @ 0.5 m
Speaker Frequency Range: 80 Hz - 20 kHz vs 100 Hz - 20,000 Hz (music), 150 Hz - 7,000 Hz (speech)
Talk Time: 20 h vs 12 h

Review-score leads of 0.5+ points out of 10 first, then specs where only one comes out ahead.

Full Specifications

Show only differences

General

	Speak2 55	Sync 20
Best For	Desk calls	Personal desk use
Ideal Room Size	Up to 4.5 x 4.5 m (14.76 x 14.76 ft)	Up to 4 x 4 m
Form Factor	Puck	Bar (portable)

Microphones

	Speak2 55	Sync 20
Microphones	4 Better	3
Pickup Range	2.3 m Better	2 m
Mic Frequency Range	150 Hz - 7,000 Hz (wideband) Better	100 Hz - 6.7 kHz
Full Duplex	Yes	Yes
Echo Cancellation	Yes	Yes
Noise Reduction	Yes	Yes
Mic Type	Digital MEMS	3-mic steerable array
Audio Bandwidth	Wideband (up to 8 kHz)	—
Automatic Gain Control	Yes (outgoing audio)	—

Speaker

	Speak2 55	Sync 20
Speaker	50 mm full-range Better	40 mm
Max Output	85 dB SPL @ 0.5 m	86 dB SPL (nominal) Better
Speaker Frequency Range	100 Hz - 20,000 Hz (music), 150 Hz - 7,000 Hz (speech)	80 Hz - 20 kHz Better
Speaker Drivers	1	1
Music Playback	Yes	—

Battery & Charging

	Speak2 55	Sync 20
Talk Time	12 h	20 h Better
Battery	Li-ion, 2 x 900 mAh	Li-ion, 3200 mAh
Charging Time	2.5 h Better	4 h
Charges Your Phone	—	Yes (USB-A port)
Battery Capacity	1800 mAh	—
Charging Port	Integrated USB-C cable	—
Mains Powered	No	No

Connectivity

	Speak2 55	Sync 20
Connection	USB-C, USB-A, Bluetooth (phone/tablet only)	USB-A or USB-C (by model), Bluetooth
Bluetooth Version	5.1	5.1
USB Dongle	No	No (Sync 20+ includes BT600)
Link Two Units	No	No
Certifications	Microsoft Teams, Google Meet, Amazon Chime	Microsoft Teams (Teams model), Zoom
USB Connector	Integrated USB-C cable with USB-A adapter	—
Cable Length	0.8 m Better	0.72 m
Bluetooth Range	30 m	—
Multiple Sources	Yes (2 simultaneous, 8 paired)	—
Bluetooth Profiles	A2DP, AVRCP, BLE, HFP	A2DP, AVRCP, HFP, HSP, BLE

Design & Build

	Speak2 55	Sync 20
Weight	280 g Better	360 g
Dimensions	120 x 33 mm (diameter x height)	34 x 95 x 182 mm
Dust/Water Rating	IP64	IP64
Colors	—	Silver
Management Software	Jabra Direct, Jabra Xpress	—
Carry Case	Yes (carry pouch)	Yes (travel case)
Lanyard / Stand	—	Lanyard included
IT Remote Management	Jabra Xpress	—

In the Box

	Speak2 55	Sync 20
In the Box	Speakerphone, carry pouch	Speakerphone, carry case, lanyard
Warranty	2 years	2 years

Identifiers

	Speak2 55	Sync 20
Model Number	—	772C8AA (Teams, USB-A)

Compatibility

	Speak2 55	Sync 20
OS Compatibility	—	Windows 11, Windows 10, macOS
Plug and Play	Yes	—

Takeaways

It's a tie on our rating (4/5) between Speak2 55 and Sync 20, so choose on the rows that matter most to you.
Choose Speak2 55 for desk calls.
Choose Sync 20 for personal desk use.

Pros and Cons

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