Christie 4K1600-JS vs Christie DWU1800-JS

	Christie 4K1600-JS	Christie DWU1800-JS
Key differences
White light outputISO	16,600 lm ISO · 14,000 lm ANSI	17,800 lm ISO · 15,000 lm ANSI
Fan noise	Normal 45 dB(A) · Eco 43 dB(A)	Normal 44 dB(A) · Eco 40 dB(A)
Brightness
Rated brightness	16,600 lmDerived	17,800 lmDerived
White light outputISO	16,600 lm ISO · 14,000 lm ANSI	17,800 lm ISO · 15,000 lm ANSI
Display system
Imaging technology	DLP	DLP
Chip / panel diagonal	0.8 in	0.8 in
On-screen resolution	3840 × 2400Derived	WUXGA (1920 × 1200)Derived
Native resolution	WUXGA (1920 × 1200)	WUXGA (1920 × 1200)
Native aspect	16:10Derived	16:10Derived
Pixel shift	Yes (scheme not stated)	—
Addressable resolution	3840 × 2400	—
Colour wheel segments	4	4
Colour wheel speed	4×	3×
Contrast
Dynamic contrast	25,000:1	25,000:1
HDR
HDR formats	HDR10	HDR10
3D
3D	Yes	Yes
3D formats	Frame packing, Side-by-side, Top-bottom, Frame sequential	Frame packing, Side-by-side, Top-bottom, Frame sequential
Light source
Light source	Laser (phosphor)	Laser (phosphor)
Emitter	Blue laser + phosphor	—
Light-source life	20,000 h normal · 50,000 h eco	20,000 h normal · 50,000 h eco
Life defined as	50% brightness	50% brightness
Optics
Focus	Motorised	Motorised
Motorised lens shift	Yes	Yes
Lens memory slots	5	5
Grid warp	Yes	Yes
Interchangeable lens	Yes	Yes
Lens material	—	Glass
Motion & gaming
Max input refresh	1080p: 240 Hz · 4K UHD: 60 Hz	1080p: 240 Hz
Max refresh at 1080p	240 HzDerived	240 HzDerived
Max refresh at 4K	60 HzDerived	—
Inputs & control
HDMI inputs	2 × HDMI 2.0 (HDCP 2.2)	2 × HDMI 2.0
HDMI inputs (count)	2Derived	2Derived
Newest HDMI version	HDMI 2.0Derived	HDMI 2.0Derived
Other video inputs	HDBaseT, SDI	HDBaseT, SDI
Max input resolution	3840 × 2400	DCI 4K
Control ports	RS-232, + Wired IR	RS-232
PJLink	Class 2	Class 2
Control-system drivers	Crestron, AMX	Crestron, AMX
Horizontal scan	15.38–135 kHz	15.38–135 kHz
Vertical scan	23.98–120 Hz	23.98–120 Hz
Smart platform
Ethernet	Yes	Yes
Physical & installation
Weight	29,400 g	29,400 g
Orientations	+ Table, + Ceiling, + Rear	+ 360°
Environment & power
Operating temperature	0–45°C	0–45°C
Operating humidity	10–85%RH	10–85%RH
Altitude	3,048 m	3,048 m
Power draw	Max 1,020 W · Normal 1,020 W · Eco 840 W	Normal 930 W · Eco 760 W
Standby	Up to 0.3 W	Up to 0.3 W
Networked standby	Up to 6 W	Up to 6 W
Mains input	100–240 V · 50/60 Hz	100–240 V · 50/60 Hz
Noise
Fan noise	Normal 45 dB(A) · Eco 43 dB(A)	Normal 44 dB(A) · Eco 40 dB(A)
Safety & compliance
Laser class	Class 1	Class 1
Risk group	RG3	RG3
FDA laser notice	Notice 57	Notice 57
Marks	CE, FCC, CCC, KC, PSE, RCM	CE, FCC, CCC, KC, PSE, RCM
Support & ownership
User manual	https://www.christiedigital.com/globalassets/resources/public/020-002122-03-Christie-LIT-MAN-USR-Jazz-Series.pdf	https://www.christiedigital.com/globalassets/resources/public/020-002122-03-Christie-LIT-MAN-USR-Jazz-Series.pdf
Firmware	1.4.0 (Jul 2026)	—
In the box
In the box	Power cord, Remote	Power cord, Remote
Remote	IR	IR