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Polocsh X3 Projector

$79.99 at Amazon.com

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SUMMARY: Polocsh X3 is a lightweight battery-powered projector built for casual viewing rather than professional use. Real-world tests show brightness and contrast are modest, so image quality holds only in dark spaces. Native Full-HD chips keep pictures crisp enough for streaming, but high-definition apps still need a separate dongle due to licensing limits. The single tiny speaker gets the job done in a pinch, yet external audio remains essential. As a grab-and-go screen for backyard or tent nights, it satisfies well.

Best Used For: Small dark rooms or dorms where space is tight

Released: 2024

Brand: Polocsh

Specification	Details
Brightness	250-300 ANSI Lumens (claimed, likely lower)
Resolution	Native 1080P
Contrast Ratio	~800:1 dynamic
Throw Ratio	1.3:1
Min/Max Throw Distance	1.1m-6m (30-150'' screen)
Lamp Life	20000 hours
Connectivity	Wi-Fi 6 (2.4 & 5 GHz), BT 5.3, 1×HDMI 2.0, 1×USB-A 2.0, 3.5 mm audio
Keystone Correction	±45 ° auto (vertical)
Zoom Lens	100 → 50 % digital zoom
Input Lag	~80-100 ms
Audio Output	single 3W driver
Aspect Ratio	16:9 and 4:3
Weight (kg)	1.35 kg
Lens Shift	Not available
Controller Type	IR/Bluetooth remote & Android TV virtual remote app
Noise Level (dB)	25 dB at 1m
Size of Projection	30-150'' diagonal (recommends 100-120'')

Highlights

Designed as an “anywhere” cinema gadget, the Polocsh X3 combines a palm-size chassis with a magnetic 28 Wh battery base and a 270-degree swivel stand, so the lens pivots from ceiling to tabletop without a tripod. Build materials feel lightweight plastic rather than premium alloy, but the hinge holds firm and the magnetic latch resists accidental detachment. Portability is the headline here—at 1.35 kg the projector drops easily into a daypack, turning campsites or balcony walls into makeshift screens.

The marketing banner screams “13 000 lumens” yet footnote-size text elsewhere lists “300 ANSI lumens.” Reality checks by independent lab readings, teardown photos, and owner reports converge on roughly 250–300 ANSI lm on a full-screen pattern. This output is watchable in a blackout room or outdoors after dusk but collapses under normal living-room lighting. Anyone expecting daylight punch will meet a dull, washed-out canvas—treat the headline figure as pure promotional gloss.

A genuine 1920 × 1080 native LCD panel sits behind the lens, and it does accept a 4 K input. The phrase “4 K Support” on retail pages refers only to signal compatibility; the projector instantly downsamples to 1080 p, so pixel-level crispness never approaches true UHD. Fine-text subtitles remain clear at typical seating distances, yet a side-by-side with a real 4 K unit exposes obvious detail loss. Buyers drawn by the “4 K” tagline should recalibrate expectations to Full-HD output.

Contrast claims reach an eyebrow-raising “10 000 : 1 dynamic.” Instrumented independent tests report a full-on/full-off contrast of roughly 800 : 1. That figure is par for budget LCD projectors: blacks appear medium-gray in dark scenes, and shadow detail muddies unless the environment is pitch-black. Dynamic iris tricks are absent, so the advertised ratio seems lifted from spec-sheet folklore rather than measured performance.

The onboard smart platform advertises Android 11 TV with dual-band Wi-Fi and Bluetooth 5.3. Navigation feels smooth, yet current streaming-security certification is limited, so major platforms cap resolution at standard definition. Viewers craving sharp HD playback should attach an external streaming dongle. Bluetooth audio works reliably; HDMI-CEC passes commands to most external devices without drama.

The detachable battery claims “up to 3 hours” of video. In one endurance test, a 135-minute film left about 18 % charge remaining—roughly 2.5 h at mid-brightness. LED output dims gradually as the pack nears depletion, and recharge requires the bundled 65 W USB-C power brick; standard phone chargers lack sufficient current. Under continuous AC power the battery acts like a mini-UPS, smoothing brief outages but adding heat inside the shell.

Connectivity is straightforward: one HDMI 2.0 port, one USB-A for media sticks or 5 V phone charging, and a 3.5 mm audio jack. The single internal speaker—marketed as “Hi-Fi stereo”—is actually a lone 3 W driver. Volume fills a small bedroom, yet bass is negligible and dialogue sounds boxy. External Bluetooth speakers or a wired soundbar elevate the experience dramatically; latency over Bluetooth remains low enough for casual viewing but not for lip-sync-critical karaoke sessions.

An electric motor handles focus, and automatic vertical ±45° keystone snaps the picture into a rectangle when the unit tilts up or down. Horizontal keystone is manual via the on-screen menu, and there is no optical zoom or lens shift, so image size is dictated by distance alone—around 2.5 m yields a 75-inch diagonal. Digital zoom can shrink the frame to 50 %, yet this simply crops pixels and chops brightness, a compromise best avoided.

Thermal management is quieter than many peers: the fan hovers near 25 dB in Eco mode, climbing to the low 30s under full brightness. In a silent study the hum is audible, but once content plays it fades below dialogue levels. The LED engine is rated at 50 000 hours—a theoretical ceiling; practical brightness will likely halve between 15 000 and 20 000 hours, still representing years of nightly movies.

Overall, the Polocsh X3 lands squarely in the “back-yard cinema” niche: portable, battery-powered, genuinely 1080 p, and smart-TV capable—provided external streaming and audio hurdles are accepted. Headline numbers such as “13 000 lumens” and “10 000 : 1 contrast” showcase marketing exuberance rather than engineering reality. Treated as a 300 ANSI-lumen mini projector for dusk-to-dark environments, it performs competently; pushed beyond that envelope, limitations surface quickly. Prospective owners should budget for a streaming dongle, a Bluetooth speaker, and a dark viewing space, then enjoy movie nights unburdened by inflated spec-sheet fantasies.

Amazon Price History

Date	Price (USD)
2025-07-12	189.99
2025-09-15	99.99
2025-09-25	89.99
2025-10-16	79.99
2025-10-30	79.99
2025-11-02	79.99

Since 2025-07-12

Auto Product Comparison

Product	Polocsh X3 Projector	ALLIWAVA PR550 Projector	JMGo PicoPlay Projector	WiMiUS G1 Projector
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Price	$79.99 at Amazon.com	$119.00 at Amazon.com	$349.00 at Amazon.com	$499.99 at Amazon.com
Brand	Polocsh	ALLIWAVA	JMGo	WiMiUS
Check Details		Check Details	Check Details	Check Details
Brightness	250-300 ANSI Lumens (claimed, likely lower)	~200 ANSI Lumens	400 ISO Lumens (advertised)	~500 ANSI Lumens
Resolution	Native 1080P	Native 1080P LCD	1080P Native	Native 1080P, 4K Supported (downscaled to 1080P)
Contrast Ratio	~800:1 dynamic	<600:1 dynamic	400:1 (native)	~1500-2500:1 dynamic
Throw Ratio	1.3:1	1.2:1	1.2:1	~1.2:1
Min/Max Throw Distance	1.1m-6m (30-150'' screen)	1.5m-4m (40-200'' image)	1.06m-5.32m (40-200 inches)	1.2m-4.9m
Lamp Life	20000 hours	30000 hours	30000 hours	20000 hours
Connectivity	Wi-Fi 6 (2.4 & 5 GHz), BT 5.3, 1×HDMI 2.0, 1×USB-A 2.0, 3.5 mm audio	Wi-Fi 6, Bluetooth 5.2, 1×HDMI, 1×USB, 3.5 mm audio, RJ-45	USB2.0, HDMI2.1, WiFi, Bluetooth	Wi-Fi 6 (802.11ax), Bluetooth 5.2 (two-way), HDMI ARC/CEC, USB, 3.5 mm audio
Keystone Correction	±45 ° auto (vertical)	auto-vertical; no horizontal with heavy keystone	Automatic keystone correction	Auto 6-axis (“6 D”) ±45° plus auto-alignment/obstacle-avoidance
Zoom Lens	100 → 50 % digital zoom	digital zoom 75-100%	fixed	50–100 % digital zoom
Input Lag	~80-100 ms	~70-100ms	Not specified	~40-80ms
Audio Output	single 3W driver	One 5W mono driver	8W speaker	Dual 10 W speakers, Dolby-Audio certified
Aspect Ratio	16:9 and 4:3	16:9 and 4:3	16:9	16:9 native
Weight (kg)	1.35 kg	1.32 kg	0.74 kg	2.5 kg
Lens Shift	Not available	Not available	Not available	Not available
Controller Type	IR/Bluetooth remote & Android TV virtual remote app	Remote with electric-focus buttons	Remote Control	Google TV voice remote; Google Assistant; phone app & physical buttons
Noise Level (dB)	25 dB at 1m	~35-38 dB	<26 dB (advertised)	~35-40 dB at 1m
Size of Projection	30-150'' diagonal (recommends 100-120'')	40-200 inches (recommends 60-120 inches)	40-200 inches	40-300 inches diagonal (recommends 100-120 inches)
Connectivity	Wi-Fi 6 (2.4 & 5 GHz), BT 5.3, 1×HDMI 2.0, 1×USB-A 2.0, 3.5 mm audio	Wi-Fi 6, Bluetooth 5.2, 1×HDMI, 1×USB, 3.5 mm audio, RJ-45	USB2.0, HDMI2.1, WiFi, Bluetooth	Wi-Fi 6 (802.11ax), Bluetooth 5.2 (two-way), HDMI ARC/CEC, USB, 3.5 mm audio