BenQ BK4000M vs BenQ W2289M: Which is Better?

BenQ BK4000M and BenQ W2289M are both 4K projectors, but they have different brightness and screen size. BenQ BK4000M has 3500 ANSI lumens while BenQ W2289M has only 2,500 ANSI lumens. That’s to say, BenQ W2289M is not bright as the BenQ BK4000M. In terms of screen size, BenQ W2289M can project a max screen size of 300 inches, bigger than BenQ BK4000M.

Product Name

BenQ BK4000M

BenQ W2289M

Product Image BenQ BK4000M BenQ W2289M
Our Rating 8.3 8.0
Brand BenQ BenQ
Category projector projector

Optical Parameters

BenQ BK4000MBenQ W2289M
Brand Brand BenQ BenQ
Brand Model Brand Model BenQ BK4000M BenQ W2289M
Brightness (ANSI lumens) Brightness (ANSI lumens) 3500 ANSI lumens 2500 ANSI lumens
Display Technology Display Technology DLP DLP
Standard Resolution Standard Resolution 4K(3840*2160)
Maximum Supported Resolution Maximum Supported Resolution 4K(3840*2160) 4K(3840*2160)
Image Contrast Ratio Image Contrast Ratio 50000:1 100000:1
Throw Ratio Throw Ratio 1.50-1.65 1.5-1.65(100"@2.5m)
Keystone Correction Keystone Correction Vertical: ± 45 degrees
Vertical: ± 40 degrees
Lamp Life Lamp Life Normal mode: 4000 hours, economic mode: 10000 hours, intelligent power saving mode: 8000 hours Normal mode: 4000 hours, economic mode: 8000 hours, intelligent power saving mode: 15000 hours
Lamp Type Lamp Type Lamp Ultra high pressure mercury lamp
Projector lens Projector lens Glass
Focus technology Focus technology Manual

Projection Parameters

BenQ BK4000MBenQ W2289M
Product type Product type Home projector Home projector
Image Size Image Size,projector1 84-150 inches 60-200 / 300 inches
Screen ratio Screen ratio 16:9 4:3/16:9/2.4:1/2.35:1
Screen color Screen color Cinematiccolor color adjustment, 100 & rec.709 color standard
Bluetooth Bluetooth No
3D Stereoscopic film is a type of film that was first introduced in Hollywood on May 24, 1953 when stereoscopic films appeared. Yes
Projection method Projection method Front, rear, front ceiling, rear ceiling


BenQ BK4000MBenQ W2289M
I/O Connection Ports Connection Ports 1×HDMI-1
1×PC In-1(D-sub 15pin)
1×USB Type A
12×USB Type mini B
1×RS232 In(D-sub 9pin)
1×DC 12V Trigger
1×IR Receiver(Front&Top)
1×Audio Out(mini jack)
1×Computer in (D-sub 15 pins)

2 x HDMI

1× Audio input (Mini Jack)

Output interface 1× audio output (Mini Jack)

Control interface 1 x USB (Type A)

1 x USB (Type Mini B)

1×RS-232 (D-SUB 9 pin)

1×DC 12V Trigger (3.5mm Jack)

1×IR Receiver (Front&Top)
WiFi WiFi No
Bluetooth Bluetooth No


BenQ BK4000MBenQ W2289M
Size(HxWxD) Size(HxWxD) 353×135×272mm 353×135×272mm
Power Usage Power Usage 305 W 330W
Machine weight Machine weight 4.2kg 4.2kg
Accessories Accessories Remote control
User manual
Projector   x1
Remote control (with battery)   x1
Power cord by Region   x1
User manual CD   x1
Warranty card by Region   x1
User manual   x1
Lens cap   x1
Warranty Warranty 2 years
2 years
other other 3D