EIWEI CD-E6 6L Dual-Frequency
#7 in 3 to 10 LFull review
A 6 L dual-frequency tank with degas and a long timer. Its listing does not say how much ultrasonic power it has.
Amazon $199.99$199.99
The EIWEI CD-E6 6L Dual-Frequency is the better ultrasonic cleaner overall, rated 2.9 to 2.4. The EIWEI CD-E6 6L Dual-Frequency leads on features and value. The EIWEI CD-E6 6L Dual-Frequency costs $179.01 less ($199.99 vs $379).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
iSonic P4860 6L Ultrasonic Cleaner
#10 in 3 to 10 LFull review
A long 6 L tank for parts that will not fit a square one. Import tanks give more features for less.
Amazon $379$379
Which should you buy?
- Choose the EIWEI CD-E6 6L Dual-Frequency for features (degas mode, dual or sweep frequency, gentle or adjustable power, timer of 60 min or more vs drain valve, basket included) and value ($33.33 per liter ($199.99, 6 L) vs $63.17 per liter ($379, 6 L)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 3 to 10 L ultrasonic cleaner; a clear win is highlighted. How we rank explains each one.
| Factor weight | EIWEI CD-E6 6L Dual-Frequency | iSonic P4860 6L Ultrasonic Cleaner |
|---|---|---|
| Overall rating | 2.9/5 | 2.4/5 |
| Value 30% | 59 $33.33 per liter ($199.99, 6 L) | 40 $63.17 per liter ($379, 6 L) |
| Ultrasonic power 25% | 0 ultrasonic power not published, scored as none | 0 ultrasonic power not published, scored as none |
| Heater 10% | 50 heater power not published (neutral score used) | 50 heater power not published (neutral score used) |
| Features 25% | 70 degas mode, dual or sweep frequency, gentle or adjustable power, timer of 60 min or more | 30 drain valve, basket included |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| EIWEI CD-E6 6L Dual-Frequency | iSonic P4860 6L Ultrasonic Cleaner | |
|---|---|---|
| Tank | ||
| Capacity | 6 L | 6 L |
| Inner tank size | 30 x 15.5 x 15 cm | 12.7 x 8.1 x 3.9 in |
| Tank steel | SUS304 stainless | - |
| Drain | - | Yes |
| Basket included | - | Yes |
| Price per liter | $33.33/L | $63.17/L |
| Ultrasonics and heat | ||
| Frequency | 28/40 kHz | 36 kHz |
| Temperature range | Up to 80 °C | 40-60 °C in five steps |
| Controls | ||
| Controls | Digital | - |
| Longest timer | 99 min | 30 min |
| Degas mode | Yes | - |
| Gentle or adjustable power | Yes | - |
| Build | ||
| Weight | - | 12 lb |