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iSinbox JY821 Projector

Name: iSinbox JY821 Projector Netflix Licensed
Brand: iSinbox
Price: 369.99 USD
Availability: InStock

$369.99 at Amazon.com

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SUMMARY: The iSinbox JY821 projector offers a blend of smart features and portability for home entertainment and outdoor use. It delivers clear visuals and decent audio, with built-in streaming apps for convenience. While effective in dark settings, its performance in brighter environments is limited. The digital zoom and unspecified gaming lag may disappoint some users. Overall, it’s a budget-friendly option for casual viewing, though those seeking premium features may need to consider higher-end models.

Best Used For: Home Theater in Dark Settings

Released: 2023

Brand: iSinbox

Specification	Details
Brightness	700 ANSI Lumens (advertised)
Resolution	Native 1080P (1920 x 1080), supports 4K
Contrast Ratio	20000:1 (advertised as dynamic)
Throw Ratio	not specified
Min/Max Throw Distance	not specified
Lamp Life	30000 hours
Connectivity	Wireless, WiFi 6, Bluetooth 5.3, HDMI, USB, Mini Jack Audio out
Keystone Correction	4D/4P Keystone Correction (±30° edge/±50° corner adjustment)
Zoom Lens	50%–100% digital zoom
Input Lag	Not specified
Audio Output	Dolby Certified cinematic sound, Bluetooth 5.3
Aspect Ratio	16:9
Weight (kg)	1.1 kg
Lens Shift	Not available
Controller Type	Remote Control
Noise Level (dB)	32 dB
Size of Projection	Up to 120" diagonal (305 cm)

Highlights

The iSinbox JY821 projector positions itself as a versatile solution for home theater enthusiasts and casual outdoor movie nights, combining smart functionality with a compact design. Its blend of modern features and affordability makes it appealing, though certain limitations, particularly in brightness and zoom, warrant careful evaluation for optimal performance.

Advertised at 800 ANSI lumens by some online retailers, the projector suggests suitability for semi-lit environments. However, data from projector databases indicate a more realistic 700 ANSI lumens, aligning with measured performance. This discrepancy implies that the projector performs best in dark or low-light settings, where images remain vibrant, but struggles in brighter conditions, risking washed-out visuals. Claims of significantly higher brightness, such as 1500 ANSI lumens, appear to be marketing exaggerations, as no reputable source corroborates them.

With a native 1080P resolution (1920×1080), the projector delivers sharp, detailed images for movies, gaming, and presentations, standing out in its price category. The advertised 4K support requires clarification: it accepts 4K input but downscales to 1080P for display, meaning it is not a true 4K projector. Enhanced by HDR10+ technology and high color accuracy, it produces vivid, lifelike visuals, though it falls short of premium models. This makes it ideal for full HD content in controlled lighting.

Audio performance benefits from Dolby Audio with built-in 3D stereo speakers, offering immersive sound for small to medium rooms. While some sources mention a 36W output, this figure lacks consistent verification, suggesting it may be an advertised claim. The inclusion of Bluetooth 5.3 enables easy pairing with external speakers or headphones, providing flexibility for enhanced audio. The onboard speakers suffice for casual viewing but may lack the depth of a dedicated sound system for a true cinematic experience.

Connectivity shines with WiFi 6 for fast, stable streaming and Bluetooth 5.3 for audio device integration. The projector offers HDMI, USB, and Mini Jack Audio out ports, alongside support for screen mirroring protocols for smartphones, tablets, or PCs. Its built-in smart apps, including officially licensed streaming services, allow direct access to popular platforms, reducing reliance on external devices. However, certain streaming services may require additional hardware due to content protection restrictions.

Setup is simplified with auto-focus and advanced keystone correction (±30° edge/±50° corner adjustment), ensuring a perfectly aligned image even from angled positions. These features, consistently verified, enhance user-friendliness for both beginners and seasoned users. The motorized zoom (50%–100%) is promoted as a key feature, but sources clarify it as digital, not optical, meaning it crops the image rather than adjusting the lens, potentially compromising sharpness at reduced sizes.

The LED lamp life of 30,000 hours, widely supported by sources, translates to over 20 years of use at 4 hours daily, minimizing maintenance costs and ensuring long-term reliability. Weighing just 1.1 kg (2.44 lbs), the projector’s portability suits indoor setups and outdoor events, though it requires a constant power source, lacking a built-in battery.

A contrast ratio of 20,000:1 enhances image depth with deep blacks and bright whites, making it well-suited for home theater applications in dark environments. The absence of lens shift, typical for portable projectors, limits placement flexibility. The smart remote control facilitates intuitive adjustments for focus, keystone, and app navigation, streamlining operation.

Operating at a noise level of 32 dB, as reported by projector databases, the projector remains quiet, with minimal fan noise that preserves the viewing experience in quiet settings. The maximum projection size of 120 inches (diagonal) is achievable in dark conditions, though a 70-inch size is recommended in room light to maintain image clarity, aligning with its brightness constraints.

For gaming, the input lag is not specified, suggesting it may not be tailored for fast-paced titles. Typical projectors in this range have input lag of 30–60 ms, sufficient for casual gaming but potentially noticeable in competitive play. Users should seek independent reviews for confirmation. The 16:9 aspect ratio ensures compatibility with modern content, delivering undistorted visuals.

In summary, the iSinbox JY821 Projector offers a compelling package for budget-conscious users seeking a smart, portable projector. Its native 1080P resolution, Dolby Audio, and smart streaming capabilities make it versatile for home entertainment and outdoor use. However, its brightness (likely 700–800 ANSI lumens) and digital zoom limitations necessitate dark environments for optimal results. While it excels in ease of use and connectivity, those needing true 4K, low-latency gaming, or high-brightness performance may require a higher-end model.

Amazon Price History

Date	Price (USD)
2025-06-21	369.99
2025-06-24	369.99

Since 2025-06-21

Auto Product Comparison

Product	iSinbox JY821 Projector	BYINTEK LOVE U14 Projector	WiMiUS K9 Projector	NexiGo Aurora Lite Projector
Image
Badges		Best Deal
Price	$369.99 at Amazon.com	$1,199.96 ~~$1,714.23~~ at Aliexpress	$233.97 at Amazon.com	$1,999.99 at Amazon.com
Brand	iSinbox	BYINTEK	WiMiUS	NexiGo
Check Details		Check Details	Check Details	Check Details
Brightness	700 ANSI Lumens (advertised)	1250 ANSI Lumens	500 ANSI Lumens	1900 ANSI Lumens
Resolution	Native 1080P (1920 x 1080), supports 4K	1290x1080 (Full HD)	Native 1080p (1920x1080), supports 4K (downscale)	3840 x 2160 (4K UHD)
Contrast Ratio	20000:1 (advertised as dynamic)	20000:1 (advertised)	~1000:1 - 5000:1	3000:1 (native), 6000:1 (dynamic)
Throw Ratio	not specified	1.19:1	1.33:1	0.23:1
Min/Max Throw Distance	not specified	1.5m-8m	1.5m-9m (50-300 inches)	0.43m - 0.76m for 80" - 150" screen
Lamp Life	30000 hours	50000 hours	20000 hours	30,000 hours
Connectivity	Wireless, WiFi 6, Bluetooth 5.3, HDMI, USB, Mini Jack Audio out	HD-in, RJ45, SPDIF, USB, 3.5mm jack, AC-in	WiFi 6, Bluetooth 5.2, 2xHDMI, 2xUSB, Ethernet, audio out	3x HDMI 2.1, 3x USB 2.0, Audio Out (Mini Jack, Optical), Network (RJ-45)
Keystone Correction	4D/4P Keystone Correction (±30° edge/±50° corner adjustment)	Automatic horizontal and vertical	6D automatic	Horizontal & Vertical, 8-point
Zoom Lens	50%–100% digital zoom	digital zoom	Digital zoom 50%-100%	Fixed (only digital zoom)
Input Lag	Not specified	not specified	Not specified	8ms
Audio Output	Dolby Certified cinematic sound, Bluetooth 5.3	12W*2 speakers	20W speakers, Dolby Audio support	60W (4x 15W speakers)
Aspect Ratio	16:9	16:9	16:9, 4:3, Auto	16:9
Weight (kg)	1.1 kg	3.5 kg	2.3 kg	~ 16kg
Lens Shift	Not available	not available	Not available	not available
Controller Type	Remote Control	remote control	Remote Control	remote control
Noise Level (dB)	32 dB	not specified	Not specified	35-52 dB
Size of Projection	Up to 120" diagonal (305 cm)	40-300 inches	50-300 inches	80'' - 150''
Connectivity	Wireless, WiFi 6, Bluetooth 5.3, HDMI, USB, Mini Jack Audio out	HD-in, RJ45, SPDIF, USB, 3.5mm jack, AC-in	WiFi 6, Bluetooth 5.2, 2xHDMI, 2xUSB, Ethernet, audio out	3x HDMI 2.1, 3x USB 2.0, Audio Out (Mini Jack, Optical), Network (RJ-45)