# Kasa Smart Wi-Fi Plug Slim KP125M: specs and price

**Price (US):** $39.99 at tp-link.com (MSRP 2-pack (KP125MP2); 4-pack $69.99), as of 2026-06-27. A sourced, dated price of record — other retailers (incl. Amazon) may be lower. Among the 12 smart plugs we track it is #11 cheapest of 12; category median $31.
**Brand:** TP-Link Kasa
**Released:** 2023-04-07
**Deskmark:** Bronze Deskmark — pay-blind category standing 61/100, #7 of 12 in class (independent, computed from sourced data, never for sale).
**Price tracked since:** June 2026

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $39.99 |
| Brand | TP-Link Kasa |
| Released | 2023-04-07 |
| Protocol | matter_wifi |
| Hub required | No |
| Energy monitoring | Yes |
| Max load amps | 15 |
| Works with | Alexa, Google Assistant, Apple HomeKit (Siri), Samsung SmartThings |
| Pack size | 2 |
| Outdoor rated | No |

## Where it stands

At $40, the Kasa Smart Wi-Fi Plug Slim KP125M is #11 cheapest of the 12 smart plugs we track, where the median is $31. On the spec sheet, its max load amps of 15 is the highest of the 12, its pack size of 2 is at the median of the 12, and its release year of 2023 is at the median of the 9. By release date, it is among the newer of the 9 we date.

## What reviewers say

Only one whitelisted tester with a genuine hands-on review: Reviewed (USA Today) tested the KP125M for close to two weeks and calls it the best smart plug it has tested, praising instant response, easy setup and energy monitoring. Its gripes are multipack-only availability and a premium price. (Based on 1 review, 1 lab-tested, 2023-05-25.)

Praised: Best smart plug the tester has tried; slim design plus Matter support and energy monitoring; Fast and responsive control with no connectivity issues over two weeks of use; Quick, painless setup that auto-synced with the existing Alexa account.
Flagged: Sold only in multipacks (two- or four-packs), no single-unit option; Pricey relative to non-Matter smart plugs.
Disagreement: Only one whitelisted hands-on review survived verification (Reviewed / USA Today), so genuine cross-source disagreement cannot be assessed.
Sources: Reviewed (2023-05-25, reviewed.com)

## Frequently asked questions

**What do reviewers say about the Kasa Smart Wi-Fi Plug Slim KP125M?**

Only one whitelisted tester with a genuine hands-on review: Reviewed (USA Today) tested the KP125M for close to two weeks and calls it the best smart plug it has tested, praising instant response, easy setup and energy monitoring. Its gripes are multipack-only availability and a premium price. Praised: Best smart plug the tester has tried; slim design plus Matter support and energy monitoring; Fast and responsive control with no connectivity issues over two weeks of use; Quick, painless setup that auto-synced with the existing Alexa account. Flagged: Sold only in multipacks (two- or four-packs), no single-unit option; Pricey relative to non-Matter smart plugs. (From 1 tester review, 1 lab-tested.)

**How much does the Kasa Smart Wi-Fi Plug Slim KP125M cost?**

The Kasa Smart Wi-Fi Plug Slim KP125M has a US price of $39.99 (MSRP 2-pack (KP125MP2); 4-pack $69.99), as of 2026-06-19.

**How does the Kasa Smart Wi-Fi Plug Slim KP125M compare on price?**

At $40, the Kasa Smart Wi-Fi Plug Slim KP125M is #11 cheapest of the 12 smart plugs we track, where the median is $31.

**When was the Kasa Smart Wi-Fi Plug Slim KP125M released?**

The Kasa Smart Wi-Fi Plug Slim KP125M was released 2023-04-07.

**What are the Kasa Smart Wi-Fi Plug Slim KP125M's key specs?**

Kasa Smart Wi-Fi Plug Slim KP125M (TP-Link Kasa): protocol matter_wifi, hub required No, energy monitoring Yes, max load amps 15, works with Alexa, Google Assistant, Apple HomeKit (Siri), Samsung SmartThings. Full sourced spec sheet verified 2026-06-19.

Source: https://www.tp-link.com/us/press/news/20552/ (tp-link.com, accessed 2026-06-19)
Corroboration: https://www.amazon.com/Kasa-Smart-Monitoring-Compact-Certified/dp/B0BYGRLRS1 (accessed 2026-06-19)
Canonical: https://frontdeskreview.com/product/smart-plugs/kasa-kp125m/
Cite: Per The Front Desk Review, the Kasa Smart Wi-Fi Plug Slim KP125M price of record was $39.99 as of 2026-06-19 — https://frontdeskreview.com/product/smart-plugs/kasa-kp125m/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl