Smart Plugs / Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) vs Amazon Smart Plug (V2)
Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) vs Amazon Smart Plug (V2)
Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack)
Matter done properly — except the energy monitoring never leaves the Kasa app.
Wins overall by 3.9 points
Quick Verdict
A 3.9-point gap makes the Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) the straightforward choice here. Matter done properly — except the energy monitoring never leaves the Kasa app.
The Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) and Amazon Smart Plug (V2) are both closely matched smart Plug models, and the Amazon Smart Plug (V2) is $12.90 cheaper than the Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) ($24.99 vs $37.93). On Energy Monitoring, the Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) leads (8.0 vs 0.0/10) — whether power is genuinely measured, what quantities are reported, and where you can see them. On Local Control, the Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) leads (8.5 vs 2.0/10) — whether switching and schedules survive an internet outage, or depend on a vendor cloud. On Ecosystem Support, the Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) leads (9.0 vs 3.0/10) — matter, HomeKit, Alexa, Google, SmartThings and Home Assistant coverage. Overall, the Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) scores 8.0/10 across our 8 scoring categories versus 4.1/10 for the Amazon Smart Plug (V2). Below, we break down the full spec sheet, category-by-category scores, and exactly who should buy which one.
Side-by-Side Comparison
| Spec | Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) | Amazon Smart Plug (V2) |
|---|---|---|
| Price | $37.93 | $24.99 |
| Release Year | 2023 | 2020 |
| Max Load | 15A / 1,800W at 120V | 15A (Home Depot spec sheet). Amazon does not publish a maximum wattage figure |
| Motor / Inductive Rating | Not published by TP-Link for the KP125M | Not published by Amazon |
| Energy Monitoring | Yes, measured — but only visible in the Kasa app; the Matter integration does not expose it | No — no measurement and no estimate |
| Radio & Protocol | Matter over Wi-Fi (2.4GHz), Bluetooth for commissioning | Wi-Fi 2.4GHz, Alexa only. No Matter, no HomeKit, no Google Assistant |
| Hub Required | No for the Kasa app; a Matter controller (HomePod, Apple TV, Echo, Nest Hub, SmartThings) is required to use it in Apple/Google/SmartThings | No, but it is useless without an Alexa account |
| Works Without Internet | Yes — Matter commands are local, and Kasa keeps LAN control | No — there is no local API and no third-party app; control depends on Amazon's cloud |
| Switched Outlets | 1 | 1 |
| Pack Size | 4 | 1 |
| Price per Switched Outlet ($) | 9.48✓ | 24.99 |
| Dimensions | Not published by TP-Link on the US KP125M product page | 2.2 in high x 1.5 in wide (Home Depot); 3.2 x 1.5 x 2.2 in overall per TechRadar |
| Blocks Second Outlet | No — TP-Link markets it as mini-sized specifically to avoid blocking the adjacent socket | No — designed to leave the second outlet free |
| Weather Rating | Indoor only | Indoor only |
| Warranty | 24 months | 12 months |
| Colors | White | White |
Category Scores
Load Headroom
The Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) leads clearly here, 4.5 against 4.0 — a 0.5-point margin on how much of the nameplate 15A you can actually use continuously, and what the plug is rated to do with motors, compressors and heaters — the spec buyers most often get caught by. If that is what you are buying for, the Amazon Smart Plug (V2) does not close the gap elsewhere.
Energy Monitoring
The Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) leads clearly here, 8.0 against 0.0 — a 8.0-point margin on whether power is genuinely measured, what quantities are reported, and where you can see them. If that is what you are buying for, the Amazon Smart Plug (V2) does not close the gap elsewhere.
Ecosystem Support
The Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) leads clearly here, 9.0 against 3.0 — a 6.0-point margin on matter, HomeKit, Alexa, Google, SmartThings and Home Assistant coverage. If that is what you are buying for, the Amazon Smart Plug (V2) does not close the gap elsewhere.
Local Control
The Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) leads clearly here, 8.5 against 2.0 — a 6.5-point margin on whether switching and schedules survive an internet outage, or depend on a vendor cloud. If that is what you are buying for, the Amazon Smart Plug (V2) does not close the gap elsewhere.
Size & Fit
The Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) leads clearly here, 9.0 against 8.0 — a 1.0-point margin on whether it blocks the second outlet on a duplex receptacle, and how it mounts. If that is what you are buying for, the Amazon Smart Plug (V2) does not close the gap elsewhere.
Build & Safety
The Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) leads clearly here, 8.5 against 7.5 — a 1.0-point margin on certification, flame-retardant housing, overload protection, recall history and warranty. If that is what you are buying for, the Amazon Smart Plug (V2) does not close the gap elsewhere.
App & Automation
The Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) leads clearly here, 8.0 against 5.0 — a 3.0-point margin on scheduling, away modes, sunrise/sunset triggers and how good the controlling app is. If that is what you are buying for, the Amazon Smart Plug (V2) does not close the gap elsewhere.
Value
The Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) leads clearly here, 8.5 against 3.5 — a 5.0-point margin on what a switched, metered outlet actually costs once the pack size and any required hub are counted. If that is what you are buying for, the Amazon Smart Plug (V2) does not close the gap elsewhere.
Best For
Choose the Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) if…
- • Energy Monitoring matters most to you — the Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) scores 8.0/10 here (whether power is genuinely measured, what quantities are reported, and where you can see them).
- • Local Control matters most to you — the Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) scores 8.5/10 here (whether switching and schedules survive an internet outage, or depend on a vendor cloud).
- • Ecosystem Support matters most to you — the Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) scores 9.0/10 here (matter, HomeKit, Alexa, Google, SmartThings and Home Assistant coverage).
- • Value matters most to you — the Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) scores 8.5/10 here (what a switched, metered outlet actually costs once the pack size and any required hub are counted).
- • App & Automation matters most to you — the Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) scores 8.0/10 here (scheduling, away modes, sunrise/sunset triggers and how good the controlling app is).
Choose the Amazon Smart Plug (V2) if…
- • You want to spend less — it's $12.90 cheaper.
Pros & Cons
Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack)
Pros
- +Matter multi-admin means the same plug can live in Apple Home and Alexa simultaneously — the Kasa EP25 cannot
- +Matter on/off is handled locally, so it survives an internet outage
- +Street price has fallen to roughly half the $69.99 launch MSRP for the 4-pack
- +2-year warranty and UL certification
Cons
- −The headline energy monitoring is invisible over Matter — you must install the Kasa app alongside your chosen platform to see a single watt
- −TP-Link does not publish a motor/HP rating for this model, so inductive loads are a guess
- −Needs a Matter controller you may not own; the plug alone does nothing in Apple Home without a HomePod or Apple TV
- −Amazon 4-pack pricing swings between roughly $37 and $43, so per-unit comparisons against 2-packs are unstable
Amazon Smart Plug (V2)
Pros
- +Genuinely the fastest setup in the category — plug it in near an Echo and it appears
- +Amazon supports it directly, and it never drops off Alexa the way third-party clouds sometimes do
- +Small enough to leave the other half of the duplex usable
Cons
- −$24.99 for one plug, when four Kasa EP25s with energy monitoring cost about $33
- −Alexa only — no HomeKit, no Google, no Matter, no SmartThings, and no way to add them later
- −No energy monitoring of any kind
- −Cloud-dependent: an internet outage takes the app, the schedules and the voice control with it
- −Amazon publishes no wattage or motor rating, so the real limit is only inferable from the 15A figure
Shop by Need
FAQs
Is the Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) or Amazon Smart Plug (V2) better overall?+
Based on our 8-category scoring, the Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) comes out ahead overall. See the full breakdown in the scores section above — the right pick still depends on which categories matter most for your use case.
Which is better for Energy Monitoring, the Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) or the Amazon Smart Plug (V2)?+
The Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) scores higher on Energy Monitoring (8.0/10 vs 0.0/10) — whether power is genuinely measured, what quantities are reported, and where you can see them.
Which is better for Local Control, the Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) or the Amazon Smart Plug (V2)?+
The Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) scores higher on Local Control (8.5/10 vs 2.0/10) — whether switching and schedules survive an internet outage, or depend on a vendor cloud.
Which is better for Ecosystem Support, the Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) or the Amazon Smart Plug (V2)?+
The Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) scores higher on Ecosystem Support (9.0/10 vs 3.0/10) — matter, HomeKit, Alexa, Google, SmartThings and Home Assistant coverage.
Which is better for Value, the Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) or the Amazon Smart Plug (V2)?+
The Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) scores higher on Value (8.5/10 vs 3.5/10) — what a switched, metered outlet actually costs once the pack size and any required hub are counted.
Is the Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) worth the price difference over the Amazon Smart Plug (V2)?+
The Amazon Smart Plug (V2) is the cheaper option at $24.99 versus $37.93. Whether the pricier model is "worth it" depends on how much you value its lead in Energy Monitoring.
Which is better suited to my use case?+
The Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) is the better fit if you mainly care about energy-monitoring or matter. The Amazon Smart Plug (V2) is the better fit for indoor-mini.
What's the warranty on the Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) vs the Amazon Smart Plug (V2)?+
The Kasa Matter Smart Plug KP125M (KP125MP4 4-Pack) ships with a 24-month warranty; the Amazon Smart Plug (V2) ships with a 12-month warranty. Always confirm current terms on the manufacturer's site before buying.
Should I wait for the next model instead of buying either of these?+
If either model is more than two years old, a successor may be close — check the "Latest Model" link on each product page. Otherwise, both are current, well-supported options and there's no strong reason to wait.
Premium Option
Eve Energy (Matter, US) — $39.95
Specifications and prices for both products last verified . Scores are calculated from published specifications — see how we compare products.