Search for ECOVACS robot vacuum decibels and the answer is unusually easy to find. Most current DEEBOT product pages on ECOVACS's US store have a spec table, and most of those tables carry up to four noise rows in dBA: the robot sweeping, the robot sweeping and mopping, the station washing mops, and the station emptying the dust. We found no noise figures inside the product page images.
We opened the product page for every DEEBOT on ECOVACS's US store, read the spec table in full, and read the instruction manual where ECOVACS links one. Twelve current models in stock carry at least one published noise figure. This page lists every one, says which mode or dock action ECOVACS ties it to, and ranks each figure only against others with the same label and unit.
Our picks are listed above, with full specifications for each.
ECOVACS uses the same row names across its range, and they are more specific than most makers manage:
- "noise-standard mode -sweep (dBA)": the robot vacuuming in standard mode.
- "noise-standard mode-sweep&mop (dBA)": the robot vacuuming and mopping at once, also in standard mode.
- "Noise of mop washing (dBA)": the station washing the mops or roller. Two models split this into two figures, one for water flowing and one for pumping.
- "dust collection noise (dBA)": the station emptying the robot's bin. Three models give two figures, one for a quieter setting and one for standard.
Every figure is in dBA, which is A-weighted to match how the ear hears. ECOVACS states no measuring distance, room or standard for any of them.
What is missing matters as much. The app offers suction levels, and the manuals name them: the X12 family manual tells you to "Switch to Standard or Quiet Mode" if the robot is loud, adding "Quiet Mode may reduce cleaning performance". The spec tables list runtime in silent mode, but no noise figure for it, and none for the strongest suction setting either. So each ECOVACS robot figure is a middle setting: not the quietest the robot can be, and not the loudest.
All figures are ECOVACS's own, from the US spec tables, in dBA.
Standard mode, sweeping, quietest first
- X9S PRO OMNI: 60.
- X12 OmniCyclone and X12 PRO OMNI: 61.1.
- X11 OmniCyclone: 61.8.
- T50 OMNI, T50 PRO OMNI and T80S OMNI: 63.
- T80 OMNI: 63.4.
- X9 PRO OMNI: 64.5.
- T50 MAX PRO OMNI: 64.9.
Standard mode, sweeping and mopping, quietest first
- X9S PRO OMNI: 60.
- X11 OmniCyclone: 62.9.
- T50 OMNI, T50 PRO OMNI and T80S OMNI: 63.
- X12 OmniCyclone and X12 PRO OMNI: 64.4.
- T50 MAX PRO OMNI: 64.6.
- T80 OMNI: 65.
- N30 PRO OMNI: 65.3. Its table has no sweep-only row.
- X9 PRO OMNI: 65.7.
Mopping usually adds noise. The X12 OmniCyclone rises from 61.1 to 64.4 dBA when it mops, and the X9 PRO OMNI from 64.5 to 65.7. One goes the other way by a small margin: the T50 MAX PRO OMNI is 64.9 sweeping and 64.6 sweeping and mopping.
A caution on the X9S PRO OMNI. Every row of its spec table, from the noise figures to the battery and the box contents, is identical to the table on the T90 PRO OMNI page, which was sold out when we checked. The two share a roller mop and 30,000Pa suction, so they may share a platform. We list the figure because ECOVACS prints it for this model, but we would not lean hard on a 1.1 dBA lead.
Five current models print no noise figure at all: the T90 MAX PLUS OMNI, T90S OMNI, T90S PRO OMNI, X12S OmniCyclone and X12S PRO OMNI. The T50S PRO OMNI prints only a mop washing figure, listed below.
The dock is the loud part
ECOVACS publishes more dock figures than any other maker we have read, and they show the station is the noisiest thing in the system.
Emptying, with a quieter setting. Three current models give two figures. The T80S OMNI lists "Quiet Mode: 70, Standard: 76.5". The X9S PRO OMNI lists "Silent mode: 71 dBA Standard mode: 76 dBA". The X11 OmniCyclone lists "Quied: 73.3, Standard: 78.9", its own spelling. Each page names the quieter setting differently, so we set them side by side rather than call one the winner, but the gap on each is 5.0 to 6.5 dBA.
Emptying, one figure, lowest first. X12 PRO OMNI: 73.1. X12 OmniCyclone: 75.3. T80 OMNI: 78.3. X9 PRO OMNI: 79.2. N30 PRO OMNI: 83. The white T50 PRO OMNI page also lists 70 dBA, though the black T50 PRO OMNI page and the T50 OMNI page print no emptying figure. None of these single figures names a setting.
Set the robot and the dock side by side and the gap is plain. The N30 PRO OMNI sweeps and mops at 65.3 dBA and empties at 83, a jump of 17.7 dBA. Even the quietest emptying figure here, 70 dBA, is 10 dBA above the quietest robot figure. Our decibel chart puts those numbers beside everyday sounds.
Mop washing. Two models split the wash cycle: the X12 OmniCyclone at 48.3 dBA for "Water outlet noise" and 57.8 for "Pumping noise", and the X11 OmniCyclone at 54.9 releasing water and 61.5 pumping water. Single figures, lowest first: N30 PRO OMNI and X9S PRO OMNI 60; T50 OMNI, T50 PRO OMNI and T50S PRO OMNI 63; T80 OMNI 63.6; X9 PRO OMNI 64.6; T80S OMNI 65. Washing runs after every mopping job and between rooms, so on a mopping robot you may hear it more often than the emptying.
ECOVACS prints no figure for hot air drying, which most of these stations run for 2, 3 or 4 hours after a clean. The X12S manual lists "A loud noise occurs while the mopping pad is drying" as a problem, with the cause "Noise increases when the dust bin drying function is enabled" and the fix "Turn off the dust bin drying function in the App."
What the gaps mean
Decibels are logarithmic: roughly every 10 dBA sounds about twice as loud. The 10 dBA between a 60 dBA robot and a 70 dBA dock is close to a doubling, and the 23 dBA between the X9S PRO OMNI's 60 and the N30 PRO OMNI's emptying figure of 83 is more than four times as loud. At the other end, the spread among robot figures is small. Every current sweeping figure sits between 60 and 64.9 dBA. With no distance stated and figures rounded differently from page to page, treat a gap of 1 dBA or less as a tie and a gap of 3 dBA or more as one you might hear.
The T90S pages show how easy it is to blur this. They claim a cut in operating noise "by up to 3 dBA during dust collection and 5 dBA during suction", which "corresponds to a reduction in noise intensity of approximately 50% and 68%, respectively." That is right for sound intensity, but intensity is not loudness: a 3 dBA cut is noticeable, not half as loud. The pages also do not say what the reduction is measured against, or print the figure it ends at.
ECOVACS's quiet features, by their real names
Do Not Disturb. Every current manual we read says the dock holds off: "In Do Not Disturb mode, DEEBOT will not empty the dust after returning to the OMNI Station" (the X12 family wording), and you "Turn off Do Not Disturb in the App or manually start dust-emptying." Our apartment robot vacuum guide covers setting this so the station waits for morning.
Quiet emptying settings. The T80S OMNI's "Quiet Mode", the X9S PRO OMNI's "Silent mode" and the X11's quiet setting, each with a published figure 5.0 to 6.5 dBA below standard.
Quiet Mode and silent mode. The suction level the manuals call Quiet Mode, and the spec tables call silent mode. ECOVACS gives runtime for it, such as 255 minutes sweeping a hard floor on the T50 OMNI against 205 in standard, but no noise figure.
ZeroTangle and dual-bearing brushes. The X12 pages say the main brush's "wide-span dual-bearing structure ensures stable brush rotation, providing powerful scrubbing performance with low noise". The T90S and X12S pages make a similar claim for ZeroTangle 4.0. There is no figure for it.
All-Dimensional Noise Reduction. The name ECOVACS gives the T90S redesign of "the main brush, fan, and air-duct structure", quoted above, with no absolute figure.
Keeping a DEEBOT quiet
ECOVACS's manuals give the same causes of extra noise across the range. Under "DEEBOT is very loud during cleaning" (the X12 family wording) they list a tangled main brush or side brush and a blocked dust bin or filter, and recommend cleaning them regularly. They also point to suction: the T80 family manual says "The robot is in Strong Mode. Switch to Standard Mode." Hair makes tangles more likely, and our pet robot vacuum guide covers the trade between quiet settings and the suction a shedder needs.
How ECOVACS compares
This page ranks DEEBOT models only against each other. For how they sit among other brands, on each maker's own published figures, see our quietest robot vacuums guide. Our Roborock robot vacuum decibels page does the same job for Roborock, whose figures are mostly plain dB in mop-only mode and so do not line up with ECOVACS's standard-mode dBA. Before treating a gap of a decibel or two between brands as real, read why decibel ratings rarely compare across brands, and dBA explained for what the A means.
ECOVACS's own quiet robot vacuum page says "DEEBOT's noise levels can be as low as 65dB", and its FAQ gives 65 dB sweeping and 68 dB sweeping and mopping, without naming a model. We have not used those figures, since they do not match any current spec table.
Models we did not rank
Some DEEBOT pages on ECOVACS's US store were sold out when we checked, so we have not ranked them. Their tables still carry figures: the T90 PRO OMNI and T90 PRO OMNI CARE at 60 dBA sweeping and emptying at "Silent mode: 71 dBA Standard mode: 76 dBA"; the T90 OMNI at 60 sweeping and 71 emptying; the X11 PRO OMNI at 61.8 sweeping with emptying at 74.4 quiet and 80 standard; the X8 PRO OMNI at 65 sweeping and 75 emptying; and the N30 OMNI at 65.3 sweeping and mopping and 83 emptying. If you find one still on sale elsewhere, those are ECOVACS's figures for it.
How we chose
We read every robot vacuum on ECOVACS's US store, opened each product page with its full spec table, checked the text in its product images, and read the US instruction manuals linked from those pages. We recorded each noise figure in ECOVACS's words with its mode or dock action and unit, grouped figures by that label, and ranked only within a group. We treated a model as current if ECOVACS's US store showed it in stock. Prices are ECOVACS's US list prices on October 5, 2026; several models were on sale below list.
We did not measure any of these robots. Every figure here is ECOVACS's own, from its US spec tables, and ECOVACS states no measuring distance or test room for any of them. Your floors, rugs and walls will change what you hear, and nothing here covers Quiet Mode or the strongest suction setting, the quietest and loudest a DEEBOT gets.
