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PUTRIMS S28 Projector

$99.99 at Amazon.com

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SUMMARY: The PUTRIMS S28 Projector is a compact, budget-friendly option for casual home entertainment and outdoor screenings. It offers modern connectivity and user-friendly features like automatic image correction and remote-controlled focus, performing best in dark environments. While some brightness claims are exaggerated, its portability and versatility suit small gatherings or personal use. Audio limitations may require external speakers, and it’s not ideal for gaming due to unverified input lag. Overall, it’s a practical choice for cost-conscious users.

Best Used For: Home Entertainment in Dark Environments

Released: 2024

Brand: PUTRIMS

Specification	Details
Brightness	300 ANSI Lumens
Resolution	Native 720P (1280x720), supports 1080P (downscale to 720p)
Contrast Ratio	18000:1 (advertised as dynamic)
Throw Ratio	1.36
Min/Max Throw Distance	Approx. 1.2m to 6m (for 40" to 200")
Lamp Life	30000 hours
Connectivity	HDMI, USB, WiFi (5G/2.4G), Bluetooth 5.2
Keystone Correction	Auto vertical ±30°
Zoom Lens	100%-50% digital zoom
Input Lag	Not specified
Audio Output	3.5mm audio port, Bluetooth
Aspect Ratio	16:9/4:3
Weight (kg)	1.38 kg
Lens Shift	not available
Controller Type	Remote Control
Noise Level (dB)	Not specified
Size of Projection	Up to 200 inches

Highlights

The PUTRIMS S28 Projector stands out as an appealing option for budget-conscious users seeking a portable mini projector for home entertainment and outdoor movie nights. Its combination of modern connectivity, intuitive adjustments, and lightweight design makes it a versatile choice, though some advertised claims require careful evaluation to ensure realistic expectations.

Featuring a native 720P resolution (1280×720), the projector provides clear visuals suitable for casual activities like streaming movies or displaying presentations. It is promoted as supporting 1080P input, meaning it can process 1080P signals but downscales them to 720P for display. Reliable sources confirm the native resolution, ensuring accuracy, but users anticipating true 1080P detail should adjust expectations accordingly.

Brightness is a key consideration, with the projector advertised at 300 ANSI lumens by trusted sources. This specification, corroborated across multiple platforms, supports adequate performance in dark settings, making it ideal for indoor setups or nighttime outdoor screenings. However, some reviews claim an unrealistic 20,000 lumens, likely a non-standard measurement common in budget projector marketing. This figure should be ignored, as the verified 300 ANSI lumens restricts use in well-lit environments, where images may appear washed out.

The contrast ratio of 18,000:1, as claimed by the manufacturer, suggests deep, vibrant visuals, enhancing the experience for films and shows. While this aligns with budget projector standards, actual performance may differ without independent verification. Still, the high contrast contributes to engaging visuals in low-light conditions, a notable strength for casual viewers.

With a throw ratio of 1.36:1, validated through official documentation, the projector allows flexible placement, producing a 40-inch image at 1.2 meters and up to a 200-inch screen at roughly 6 meters. This capability, supported by reliable sources, accommodates various room sizes or outdoor setups, though larger projections demand darker environments to preserve clarity due to the moderate brightness.

Connectivity shines as a highlight, offering HDMI, USB, 3.5mm audio, dual-band WiFi (5G/2.4G), and Bluetooth 5.2 for easy pairing with devices like smartphones, laptops, or streaming sticks. Support for wireless streaming protocols, noted in product listings, simplifies content sharing. This comprehensive connectivity, accurately represented across sources, ensures adaptability for modern media needs.

The auto vertical keystone correction (±30°) streamlines setup by automatically correcting image distortion, a feature appreciated in user feedback. Paired with a 145° adjustable stand and electric focus operated via a remote, the projector is user-friendly, even for off-center placements. The keystone correction is limited to vertical adjustments, with horizontal tweaks likely manual, but the automation enhances convenience.

A digital zoom from 100% to 50% enables image size adjustments without repositioning the projector, though official documentation clarifies this is digital, not optical, zoom. As such, zooming in may compromise sharpness, a typical trait in budget projectors, but the feature remains practical for minor adjustments in tight spaces.

The LED lamp life of 30,000 hours, reported by trusted sources, matches industry norms for LED projectors, promising years of use (about 20 years at 4 hours daily). This durability, consistently verified, reduces maintenance costs, a significant benefit for cost-conscious buyers.

Audio output includes a 3.5mm audio port and Bluetooth 5.2 for connecting external speakers or headsets, as confirmed by product listings. However, the projector does not support advanced audio formats like Dolby or DTS, which may require additional audio equipment for richer sound. The built-in speakers suffice for small settings but lack the depth of dedicated systems, making external audio a worthwhile consideration.

At just 1.38 kg, as verified by official documentation, the projector is highly portable, perfect for moving between rooms or outdoor events. Its lightweight, compact design enhances its appeal for users valuing mobility without compromising functionality.

Support for 4:3 and 16:9 aspect ratios, noted across sources, ensures compatibility with diverse content, from widescreen films to traditional presentations. This versatility, accurately implemented, broadens the projector’s applicability across different use cases.

Although noise level is not specified, user feedback suggests a quiet fan, typical for LED projectors. Without a specific dB rating, the noise is likely unobtrusive in most settings, though sensitive viewers may notice it during quiet scenes.

The lack of lens shift, standard for this price range, is mitigated by the keystone correction and adjustable stand, providing sufficient image alignment. This limitation, common in mini projectors, does not significantly hinder usability.

In summary, the PUTRIMS S28 Projector excels as an affordable, portable solution for dark-room entertainment and outdoor screenings. Its native 720P resolution, 300 ANSI lumens brightness, and extensive connectivity deliver dependable performance for casual users, while auto keystone correction and electric focus enhance ease of use. However, overstated claims, such as the 20,000 lumens figure, and limitations like unsupported audio formats necessitate informed expectations. For those seeking a budget-friendly, feature-rich projector for controlled lighting conditions, the S28 offers compelling value, provided its verified capabilities guide purchasing decisions.

Amazon Price History

Date	Price (USD)
2025-06-21	129.99
2025-06-23	73.47
2025-07-08	129.99
2025-07-16	62.45
2025-07-18	89.99
2025-09-13	109.99
2025-10-11	99.99
2025-11-02	99.99
2025-11-03	99.99

Since 2025-06-21

Auto Product Comparison

Product	PUTRIMS S28 Projector	WiMiUS P64 Projector	BYINTEK U80 Max Projector	BYINTEK X30 Projector
Image
Badges			Best Deal	Best Deal
Price	$99.99 at Amazon.com	$289.99 ~~$399.99~~ at Amazon.com	$1,367.98 ~~$3,419.94~~ at Aliexpress	$242.06 ~~$1,399.96~~ at Aliexpress
Brand	PUTRIMS	WiMiUS	BYINTEK	BYINTEK
Check Details		Check Details	Check Details	Check Details
Brightness	300 ANSI Lumens	~500 ANSI Lumens (claimed, likely lower)	500 ANSI Lumens	650 ANSU Lumens
Resolution	Native 720P (1280x720), supports 1080P (downscale to 720p)	Native 1080P	Native 1920x1080; accepts 4K input but displays at 1080p	1920 x 1080 (Full HD)
Contrast Ratio	18000:1 (advertised as dynamic)	500:1 dynamic	20000:1 (advertised)	5000:1
Throw Ratio	1.36	1.65:1	1.2:1	1.35:1
Min/Max Throw Distance	Approx. 1.2m to 6m (for 40" to 200")	1.5-6m	Approx. 0.3m to 8m for 11" to 300" diagonal	1.3m-5.7m
Lamp Life	30000 hours	20000 hours	50000 hours	30000 hours
Connectivity	HDMI, USB, WiFi (5G/2.4G), Bluetooth 5.2	Wi-Fi 6, Bluetooth 5.2 (two-way), HDMI × 2, USB × 2, AV, 3.5 mm out	HDMI, USB-A, Bluetooth 5.0, Wi-Fi	HDMI, USB, Bluetooth 5.0, Wi-Fi
Keystone Correction	Auto vertical ±30°	Auto 4-P omnidirectional (±50 °)	Vertical ±45° auto, Horizontal ±45°	Automatic, vertical and horizontal ±15°
Zoom Lens	100%-50% digital zoom	50% digital zoom (100 → 50 %)	digital zoom (fixed lens)	digital zoom
Input Lag	Not specified	~30-50ms	not specified	not specified
Audio Output	3.5mm audio port, Bluetooth	Built-in 12W “Hi-Fi” stereo	2 x 5W speakers, Mini Jack out	3.5mm audio jack, built-in 5W x2 speakers
Aspect Ratio	16:9/4:3	16:9 and 4:3	16:9	16:9, 4:3, auto
Weight (kg)	1.38 kg	2.7kg	1.3 kg	2kg
Lens Shift	not available	Not available	not available	not available
Controller Type	Remote Control	Touch-panel + IR remote	remote control with mouse control	remote control
Noise Level (dB)	Not specified	~48dB@1m	28 dB	35 dB
Size of Projection	Up to 200 inches	40-300 inches diagonal (recommends <120 inches)	11'' to 300'' diagonal	44-200 inches
Connectivity	HDMI, USB, WiFi (5G/2.4G), Bluetooth 5.2	Wi-Fi 6, Bluetooth 5.2 (two-way), HDMI × 2, USB × 2, AV, 3.5 mm out	HDMI, USB-A, Bluetooth 5.0, Wi-Fi	HDMI, USB, Bluetooth 5.0, Wi-Fi