Speak2 40 vs Sync 20 Comparison

Compare Speak2 40 vs Sync 20 side by side: specs, ratings, pros and cons, and which one fits your room best.

On this page
Jabra Speak2 40
Speak2 40
Poly Sync 20
Sync 20

At a Glance

Speak2 40

The Jabra Speak2 40 is a wired USB speakerphone. 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
Fixed desks
Mics
4
Pickup
2.3 m
Talk Time
—
BT
—
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 407.8/10
  • Sync 208.1/10 Leads

Mic Array & Full-Duplex

  • Speak2 408.4/10 Leads
  • Sync 207.9/10

Speaker Clarity & Volume

  • Speak2 408.3/10
  • Sync 208.9/10 Leads

Connectivity & Daisy-Chaining

  • Speak2 405.4/10
  • Sync 205.8/10 Leads

Portability & Power

  • Speak2 40—
  • Sync 209.4/10

Call Controls & Certifications

  • Speak2 409.5/10
  • Sync 2010.0/10 Leads

Why Speak2 40 Beats Sync 20 (and Vice Versa)

Why Speak2 40 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
  • Cable Length: 0.8 m vs 0.72 m

Why Sync 20 beats Speak2 40

  • Better speaker clarity & volume: 8.9 vs 8.3 out of 10
  • Better call controls & certifications: 10.0 vs 9.5 out of 10
  • Max Output: 86 dB SPL (nominal) vs 83 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)
  • Mains Powered: No vs Yes (USB bus powered)

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

Full Specifications

General

Speak2 40Sync 20
Best ForFixed desksPersonal desk use
Ideal Room SizeUp to 4.5 x 4.5 m (14.76 x 14.76 ft)Up to 4 x 4 m
Form FactorPuckBar (portable)

Microphones

Speak2 40Sync 20
Microphones4 Better3
Pickup Range2.3 m Better2 m
Mic Frequency Range150 Hz - 7,000 Hz (wideband) Better100 Hz - 6.7 kHz
Full DuplexYesYes
Echo CancellationYesYes
Noise ReductionYesYes
Mic TypeDigital MEMS3-mic steerable array
Audio BandwidthWideband (up to 8 kHz)—
Automatic Gain ControlYes (outgoing audio)—

Speaker

Speak2 40Sync 20
Speaker50 mm full-range Better40 mm
Max Output83 dB SPL @ 0.5 m86 dB SPL (nominal) Better
Speaker Frequency Range100 Hz - 20,000 Hz (music), 150 Hz - 7,000 Hz (speech)80 Hz - 20 kHz Better
Speaker Drivers11
Music PlaybackYes—

Battery & Charging

Speak2 40Sync 20
Talk Time—20 h
Battery—Li-ion, 3200 mAh
Charging Time—4 h
Charges Your Phone—Yes (USB-A port)
Mains PoweredYes (USB bus powered)No Better

Connectivity

Speak2 40Sync 20
ConnectionUSB-C, USB-AUSB-A or USB-C (by model), Bluetooth
Bluetooth Version—5.1
USB DongleNoNo (Sync 20+ includes BT600)
Link Two UnitsNoNo
CertificationsMicrosoft Teams, Google Meet, Amazon ChimeMicrosoft Teams (Teams model), Zoom
USB ConnectorIntegrated USB-C cable with USB-A adapter—
Cable Length0.8 m Better0.72 m
Bluetooth Profiles—A2DP, AVRCP, HFP, HSP, BLE

Design & Build

Speak2 40Sync 20
Weight245 g Better360 g
Dimensions120 x 33 mm (diameter x height)34 x 95 x 182 mm
Dust/Water RatingIP64IP64
Colors—Silver
Management SoftwareJabra Direct, Jabra Xpress—
Carry CaseYes (carry pouch)Yes (travel case)
Lanyard / Stand—Lanyard included
IT Remote ManagementJabra Xpress—

In the Box

Speak2 40Sync 20
In the BoxSpeakerphone, carry pouchSpeakerphone, carry case, lanyard
Warranty2 years2 years

Identifiers

Speak2 40Sync 20
Model Number—772C8AA (Teams, USB-A)

Compatibility

Speak2 40Sync 20
OS Compatibility—Windows 11, Windows 10, macOS
Plug and PlayYes—

Takeaways

  • It's a tie on our rating (4/5) between Speak2 40 and Sync 20, so choose on the rows that matter most to you.
  • Choose Speak2 40 for fixed desks.
  • Choose Sync 20 for personal desk use.

Pros and Cons

Speak2 40

PROS

  • Four mics with full duplex
  • No battery to charge
  • USB-C and USB-A on the cable
  • IP64, 245 g

CONS

  • No Bluetooth
  • No battery

Sync 20

PROS

  • Up to 20 h talk time
  • IP64
  • USB-A port charges a phone
  • Teams (Teams model) and Zoom

CONS

  • Three mics, 2 m pickup
  • Dongle only on the Sync 20+

Similar Comparisons

Quick Verdict

  • Speak2 40 7.8Leads in Mic Array & Full-Duplex
  • Sync 20 8.1Best overallLeads in Speaker Clarity & Volume, Connectivity & Daisy-Chaining, Call Controls & Certifications