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Polocsh HY320 Projector

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SUMMARY: Polocsh HY320 targets informal, after-dark viewing with a swivel barrel that points at walls or ceilings without a tripod. Third-party tests reveal modest light output, a whiny fan and a true 720-p panel despite 1080-p marketing. Auto focus and vertical keystone ease setup, yet most owners plug in a streaming stick because built-in apps lack major certifications. The lone three-watt speaker is serviceable only for quiet rooms, making external audio advisable. Serious cinephiles look elsewhere.

Best Used For: dim bedrooms, dorms, tent-camp movie nights and kids’ cartoons

Released: 2023

Brand: Polocsh

Specification	Details
Brightness	~150-200 ANSI Lumens
Resolution	Native 720P
Contrast Ratio	500:1 dynamic
Throw Ratio	1.05-1.1:1
Min/Max Throw Distance	1m-4m
Lamp Life	30000 hours
Connectivity	1× HDMI, 1× USB-A, 3.5 mm audio-out; dual-band Wi-Fi 6, BT 5.0/5.3
Keystone Correction	Auto keystone (vertical ±40°)
Zoom Lens	Digital zoom 100 → 85 %
Input Lag	~350-400ms
Audio Output	3W mono speaker
Aspect Ratio	16:9
Weight (kg)	0.9 kg
Lens Shift	Not available
Controller Type	IR remote; Android 11 TV UI
Noise Level (dB)	~ 51.6 dB @30cm
Size of Projection	30-150 inches (recommends 100 inches)

Highlights

Polocsh HY320 positions itself as a feather-weight, sub-one-kilogram “any-angle cinema” thanks to its 180° swivel barrel and compact 210 × 145 × 140 mm body. The rotating lens tube genuinely lets the chassis sit flat on a coffee table and still project onto a ceiling without a tripod, a trick few rivals in the same price band match. Build quality is strictly plastic, yet the hinge feels tighter than expected and does not sag after multiple repositionings during a two-hour film.

Marketing banners trumpet an advertised 300–390 ANSI lumens; enthusiasts with calibrated meters repeatedly log only real 150–220 ANSI lumens. In practice that means cartoons and bright YouTube clips pop at night, but darker thrillers lose shadow detail unless the room lights are off and curtains are drawn. Anyone hoping to replace a living-room TV will be disappointed; the HY320 is best treated as a bedroom or camping toy where blackout conditions are easy to arrange.

The box claims “native 1080 p” and “4 K decoding,” yet a teardown reveals a native 1280 × 720 LCD panel. The electronics down-scale higher-resolution input cleanly, so menus look crisp from a couch distance, but text edges soften at 100 inches and beyond. Side-by-side comparisons with true-1080-pixel projectors show immediate differences in subtitle sharpness and UI legibility. Anyone editing spreadsheets on the wall should look elsewhere.

Fuss-free setup is part of the sales pitch, but the automatic geometry options are limited. A vertical auto-keystone (±40°) routine runs on start-up, yet horizontal correction is manual—and all adjustments are digital, robbing a slice of resolution each time. Electric focus is motorized via the remote; it works quickly but drifts once the lamp housing warms, so mid-movie touch-ups are common. There is no optical zoom or lens shift whatsoever.

Fan acoustics are the achilles heel. While brochures whisper about a “≤ 25 dB whisper fan,” lab microphones register ≈ 52 dB at 30 cm, placing the HY320 among the loudest in a recent 25-model shoot-out. The pitch is a concentrated whine rather than a whoosh, making it hard to mask with dialogue-heavy films unless external speakers take over.

On paper the built-in smart platform shines: Android TV 11, a quad-core Allwinner H713, Wi-Fi 6 and Bluetooth 5.3. Reality is less rosy. Because the unit lacks Google Widevine L1 and Netflix certification, premium apps often throttle to 480 p or refuse installation. Most owners sideload APKs or attach a Fire TV Stick to the sole HDMI 1.4 port for reliable HD streaming. Bluetooth audio works, but expect lips to lag a fraction of a second unless the speaker supports aptX-LL.

Physical I/O is minimal yet functional: a single HDMI for consoles or sticks, one USB-A for media playback or firmware flashing, and a 3.5 mm stereo jack. The USB port supplies only 5 V / 0.5 A—insufficient to power Android dongles—so an extra wall adapter is almost inevitable. Ethernet is absent, reinforcing the wireless-only design ethos.

Latency tests reveal an ≈ 350 ms input lag, relegating the HY320 to casual couch co-op or turn-based titles rather than competitive shooters. Even rhythm games feel sluggish. A hidden service menu offers a “fast mode,” shaving roughly 30 ms, but that mode simultaneously disables keystone and digital zoom, forcing a perfectly centered placement—rarely convenient in dorm rooms.

Sound emerges from a single 3 W cone driver—polite for podcasts yet thin for explosions. Bass is almost nonexistent; mids stay intelligible up to 80 % volume before distortion creeps in. Fortunately, Bluetooth pairing is painless for bars or earbuds, though the previously mentioned A/V sync caveat applies.

Throw calculations align closely with the brochure’s 1.05–1.1 : 1 ratio: a 100-inch diagonal needs roughly 2.6 m. Claimed maximum size is 150 inches, but brightness collapses past about 110 inches unless a high-gain screen is used. Minimum distance is ~1 m before the lens fails to focus edge-to-edge. Gamers hoping for a giant wall display in daylight will find the contrast washes out instantly.

Durability considerations center more on electronics than on the 30 000–50 000 hour LED life printed on the carton. Overheating can brown the diffuser sheet or peel polarizers long before the diode output halves. Firmware updates are sporadic, and white-label rebrands seldom share patches, leaving owners to scour forums for region-matched images. Quality control is lottery-style: some units arrive with dust blobs between LCD and lens, others stay spotless for months.

In the end, the Polocsh HY320 Projector occupies an oddly specific niche. It provides a legitimately handy ceiling-projection trick, a decently sharp image within its brightness envelope, and modern wireless credentials, all for a price that undercuts mainstream brands by hundreds of dollars. Yet every marquee number—lumens, resolution, contrast, noise—reads optimistically at best, and essentials such as Netflix licensing are missing. Treated as a **budget ceiling projector for night-time cartoons**, it delights. Expected to replace a living-room television or a dedicated gaming monitor, it disappoints. Shoppers who value silent operation, true 1080 p panels, and plug-and-play streaming will need to budget for something far pricier—and will likely regard the HY320’s marketing sheet as wishful thinking rather than engineering fact.

Amazon Price History

Date	Price (USD)
2025-07-12	49.99
2025-08-05	69.99
2025-09-01	59.99
2025-09-18	29.99
2025-10-30	0

Since 2025-08-05

Auto Product Comparison

Product	Polocsh HY320 Projector	PANSEBA AK69 Projector	Magcubic HY300 Pro+ Mini Projector	XNANO X6 Projector
Image
Badges			Best Deal
Price	N/A at Amazon.com	$49.99 ~~$59.99~~ at Amazon.com	$66.49 ~~$109.99~~ at Amazon.com	$199.99 at Amazon.com
Brand	Polocsh	PANSEBA	Magcubic	XNANO
Check Details		Check Details	Check Details	Check Details
Brightness	~150-200 ANSI Lumens	<300 ANSI Lumens	260 ANSI lumens	~380 ANSI Lumens (advertised)
Resolution	Native 720P	Native 720P	Native 720P, downscales 4K input to 720P	1080P Native
Contrast Ratio	500:1 dynamic	10000:1 (advertised)	10000:1 (advertised)	<1000:1
Throw Ratio	1.05-1.1:1	~1.26:1	0.9	1.25
Min/Max Throw Distance	1m-4m	~1.26m for 100cm wide screen	1.2-4m (for 40-200 inch screen)	~1.1 m (40 inches) to 5.5 m (200 inches)
Lamp Life	30000 hours	30000 hours (advertised)	>50,000 hours	30000 hours
Connectivity	1× HDMI, 1× USB-A, 3.5 mm audio-out; dual-band Wi-Fi 6, BT 5.0/5.3	WiFi 6, Bluetooth, HDMI, USB, etc.	HDMI, USB, Headset jack, Dual WiFi6, BT5.0	HDMI, USB, 3.5mm audio out, WiFi, Bluetooth
Keystone Correction	Auto keystone (vertical ±40°)	Vertical: ±45° automatic, Horizontal: ±45°	Auto vertical keystone correction	4-point correction, auto-focus
Zoom Lens	Digital zoom 100 → 85 %	fixed	Digital zoom 50%-100%	fixed
Input Lag	~350-400ms	Not specified	Not specified	not specified
Audio Output	3W mono speaker	1 x 3W speaker	Built-in 5W HIFI speaker	1 x 5W speaker, 3.5mm audio out
Aspect Ratio	16:9	16:9	4:3/16:9	16:9, 4:3
Weight (kg)	0.9 kg	1.35 kg	0.7 kg	1.83 kg
Lens Shift	Not available	Not available	Not available	not available
Controller Type	IR remote; Android 11 TV UI	Remote Control	Infrared remote control	bluetooth voice remote
Noise Level (dB)	~ 51.6 dB @30cm	25 dB	25-30 dB	not specified
Size of Projection	30-150 inches (recommends 100 inches)	Up to 260 inches	40-200 inches	40-200 inches
Connectivity	1× HDMI, 1× USB-A, 3.5 mm audio-out; dual-band Wi-Fi 6, BT 5.0/5.3	WiFi 6, Bluetooth, HDMI, USB, etc.	HDMI, USB, Headset jack, Dual WiFi6, BT5.0	HDMI, USB, 3.5mm audio out, WiFi, Bluetooth