Optoma ZK551 projector
5,100 ANSI lumen 4K UHD (3840×2160) laser projector with 3,000,000:1 contrast and 1.6× optical zoom.
€2,116incl. VAT
In stock
Optoma ZK551 vs ZK708T: what is the difference?
ZK708T has brightness: 7,000 ANSI lumens (vs 5,100 ANSI lumens). They also differ in contrast, throw ratio, inputs and outputs. The ZK708T costs €2,723 more.
Optoma ZK708T projector
7,000 ANSI lumen 4K UHD (3840×2160) laser projector with 300,000:1 contrast and 1.6× optical zoom.
€4,839incl. VAT
In stock
Specifications side by side
| Specification | ZK551 | ZK708T |
|---|---|---|
| Price incl. VAT | €2,116 | €4,839 |
| Technology | DLP | DLP |
| Light source | Laser | Laser |
| Native resolution | 4K UHD (3840×2160) | 4K UHD (3840×2160) |
| Brightness | 5,100 ANSI lumens | 7,000 ANSI lumens |
| Contrast | 3.000.000:1 | 300.000:1 |
| Throw ratio | 1,4:1 – 2,24:1 | 1,2:1 – 1,92:1 |
| Zoom | 1.6× manual | 1.6× manual |
| Inputs | 2 × HDMI 2.0, 1 × 3D sync | 2 × HDMI 2.0, 2 × VGA, 2 × 3.5 mm audio jack, 1 × USB-A power 1.5 A |
| Outputs | 1 × 3.5 mm audio jack, 2 × USB-A power 1.5 A | 1 × HDMI 2.0, 1 × 3.5 mm audio jack, 1 × 3D sync, 1 × 12 V trigger |
| Control | 1 × RS232, 1 × RJ45, 1 × 12 V trigger | 1 × 4K HDBaseT, 1 × RJ45, 1 × RS232 |
| Weight | 3 kg | 8.6 kg |
| Keystone correction | horizontal ±30°; vertical ±30° | ±30° |
| Light source lifetime | 30,000 hours (Eco mode) | 30,000 hours |
| Throw distance | 0,39 – 9,1 m | 1,3 – 7,8 m |
| Noise level | 28–34 dB | 33–36 dB |
| Speaker | 1 × 15 W | 2 × 15 W |
| Input lag | from 4.4 ms | – |
| Dimensions (W × D × H) | 274 × 216 × 114 mm | 374 × 302 × 117 mm |
| 24/7 operation | Yes | Yes |
| 360° mounting | Yes | Yes |
| Lens shift | – | vertical -106 ~ 126%, horizontal ±10% |
| Max. power consumption | – | 366 W |
| Availability | In stock | In stock |
| Product code | ZK551 · P/N E3P7P81E112 | ZK708T · P/N E9PD7L112EZ1 |
highlighted rows are the differences; green marks the higher value (or the lower price).
In short: which one should you choose?
ZK551
Choose ZK551 if you need contrast: 3.000.000:1, inputs: 2 × HDMI 2.0, 1 × 3D sync; brightness: 5,100 ANSI lumens is enough; you want to pay €2,723 less.
See the ZK551 →ZK708T
Choose ZK708T if you need brightness: 7,000 ANSI lumens, contrast: 300.000:1, control: 1 × 4K HDBaseT, 1 × RJ45, 1 × RS232.
See the ZK708T →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.
Ask on WhatsAppFrequently asked questions: ZK551 or ZK708T
- What is the difference between the ZK551 and the ZK708T?
- ZK708T has brightness: 7,000 ANSI lumens (vs 5,100 ANSI lumens). They also differ in contrast, throw ratio, inputs and outputs. The ZK708T costs €2,723 more.
- Which should I choose: ZK551 or ZK708T?
- Choose ZK551 if you need contrast: 3.000.000:1, inputs: 2 × HDMI 2.0, 1 × 3D sync; brightness: 5,100 ANSI lumens is enough; you want to pay €2,723 less. Choose ZK708T if you need brightness: 7,000 ANSI lumens, contrast: 300.000:1, control: 1 × 4K HDBaseT, 1 × RJ45, 1 × RS232.
- How much do the ZK551 and ZK708T cost?
- The ZK551 costs €2,116 and the ZK708T costs €4,839, 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.