Which should I choose: ZH451 or ZH521?

Choose ZH451 if you need zoom: 1.6× manual, contrast: 2.000.000:1, light source lifetime: 30,000 hours; brightness: 4,600 ANSI lumens is enough; you want to pay €60 less. Choose ZH521 if you need brightness: 5,500 ANSI lumens, contrast: 3.000.000:1, light source lifetime: 30,000 hours (Eco mode).

How much do the ZH451 and ZH521 cost?

The ZH451 costs €1,331 and the ZH521 costs €1,391, including Romanian VAT, in the Kiltex SHOP.

Optoma ZH451 vs ZH521: what is the difference?

ZH521 has brightness: 5,500 ANSI lumens (vs 4,600 ANSI lumens), while ZH451 has zoom: 1.6× manual (vs 1.3× manual). They also differ in contrast, throw ratio, inputs and control. The ZH521 costs €60 more.

Optoma ZH451 projector

4,600 ANSI lumen Full HD (1920×1080) laser projector with 2,000,000:1 contrast and 1.6× optical zoom.

€1,331incl. VAT

In stock

Details

Optoma ZH521 projector

5,500 ANSI lumen Full HD (1920×1080) laser projector with 3,000,000:1 contrast and 1.3× optical zoom.

€1,391incl. VAT

In stock

Details

Specifications side by side

Specification	ZH451	ZH521
Price incl. VAT	€1,331	€1,391
Technology	DLP	DLP
Light source	Laser	Laser
Native resolution	Full HD (1920×1080)	Full HD (1920×1080)
Brightness	4,600 ANSI lumens	5,500 ANSI lumens
Contrast	2.000.000:1	3.000.000:1
Throw ratio	1,4:1 – 2,24:1	1,13:1 – 1,47:1
Zoom	1.6× manual	1.3× manual
Inputs	2 × HDMI 2.0, 1 × 3.5 mm audio jack, 1 × VGA	2 × HDMI 2.0, 1 × VGA, 1 × 3.5 mm audio jack
Outputs	1 × 3.5 mm audio jack, 2 × USB-A power 1.5 A	1 × 3.5 mm audio jack, 2 × USB-A power 1.5 A
Control	1 × RS232, 1 × RJ45, 1 × 3D sync, 1 × 12 V trigger	1 × RS232, 1 × RJ45, 1 × 12 V trigger, 1 × 3D sync
Weight	3 kg	2.9 kg
Keystone correction	±30°	±30°
Light source lifetime	30,000 hours	30,000 hours (Eco mode)
Noise level	29–31 dB	29 dB
Speaker	1 × 15 W	1 × 15 W
Max. power consumption	170 W	210 W
Dimensions (W × D × H)	274 × 216 × 114 mm	216 × 274 × 108.5 mm
24/7 operation	Yes	Yes
360° mounting	Yes	Yes
Input lag	–	from 8.6 ms
Availability	In stock	In stock
Product code	ZH451 · P/N E3P7PK1E118	ZH521 · P/N E3P7PR1E113

highlighted rows are the differences; green marks the higher value (or the lower price).

In short: which one should you choose?

ZH451

Choose ZH451 if you need zoom: 1.6× manual, contrast: 2.000.000:1, light source lifetime: 30,000 hours; brightness: 4,600 ANSI lumens is enough; you want to pay €60 less.

See the ZH451 →

ZH521

Choose ZH521 if you need brightness: 5,500 ANSI lumens, contrast: 3.000.000:1, light source lifetime: 30,000 hours (Eco mode).

See the ZH521 →

Not sure which model suits you? Tell us how many users, what space or what you need to connect, and we'll recommend the right option for free. On request, we install and configure it.

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Frequently asked questions: ZH451 or ZH521

What is the difference between the ZH451 and the ZH521?: ZH521 has brightness: 5,500 ANSI lumens (vs 4,600 ANSI lumens), while ZH451 has zoom: 1.6× manual (vs 1.3× manual). They also differ in contrast, throw ratio, inputs and control. The ZH521 costs €60 more.
Which should I choose: ZH451 or ZH521?: Choose ZH451 if you need zoom: 1.6× manual, contrast: 2.000.000:1, light source lifetime: 30,000 hours; brightness: 4,600 ANSI lumens is enough; you want to pay €60 less. Choose ZH521 if you need brightness: 5,500 ANSI lumens, contrast: 3.000.000:1, light source lifetime: 30,000 hours (Eco mode).
How much do the ZH451 and ZH521 cost?: The ZH451 costs €1,331 and the ZH521 costs €1,391, including Romanian VAT and updated daily at the National Bank of Romania rate. Delivery is free in Bucharest; elsewhere in Romania it's 30 lei by courier.