
Powerextra DF-400
Score: 54/100
Yongnuo YN560 IV
Score: 78/100Rankings

The Yongnuo YN560 IV is a budget-friendly manual speedlite that doubles as a 2.4 GHz radio transmitter, offering solid output and long wireless range for photographers comfortable with manual control. Its lack of TTL, HSS and reliance on AA batteries limit its appeal for fast-paced or fully automated shooting.

The Powerextra DF-400 is a budget-friendly manual flash offering basic power control, optical slave modes, and a rotating head, suitable for beginners and hobbyists. It lacks TTL, HSS, and a robust build, making it less ideal for demanding professional work.
| Attribute | ![]() | ![]() |
|---|---|---|
33 m | 58 mbest | |
| ↓ lower better | 3 sbest | 3 sbest |
| ↓ lower better | 315 gbest | 348.5 g |
— | 100 mbest | |
8 levelsbest | 8 levelsbest | |
— | 16best | |
— | 3best | |
5,800 Kbest | 5,600 K |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Features(1) | ||
Flash Modes | Manual, S1, S2 | Manual, Multi |
Compatibility(1) | ||
Compatible Brands | Canon,Nikon,Pentax,Olympus,Panasonic,Fujifilm,Sigma,Minolta,Leica,Ricoh,Sony | Canon, Nikon, Pentax, Olympus, Fujifilm, Panasonic |
Battery & Power(1) | ||
Battery Type | AA | AA (alkaline or Ni-MH) |
Build & Design(1) | ||
Weight (g) | 315 g | 348.5 g |
Performance(4) | ||
Guide Number (m) | 33 m | 58 m |
Recycle Time (s) | 3.0 s | 3 s |
Flash Duration (s) | 0.005-0.00005 s | 0.00005 s |
Color Temperature (K) | 5800 K | 5600 K |


Products in the top-left offer the best value (high score, low price).

Professional editors note that the DF-400 delivers essential manual flash capability at an exceptionally low price, making it a solid starter flash for beginners.
Everyday users generally praise the DF-400 for its affordability, basic functionality, and the rotating head that enables bounce lighting.

Professional reviewers praise the YN560 IV for delivering a feature-rich manual flash at an unbeatable price, highlighting its integrated wireless transmitter, solid construction, and dependable output, while noting the trade-off of missing TTL and HSS.
Everyday users rate the flash highly (average 4.7/5), applauding its ease of use, reliability, and value, but complain about the AA-battery requirement, LCD visibility in bright light, and occasional quirks with the zoom motor.
“Dual functionality as flash and wireless transmitter is a game changer.”

“Great for budget-conscious shooters, but wish it had TTL.”

“The radio range is impressive, but the AA batteries are a hassle.”

