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ScreenMax SP133D Projector

$108.99 at Amazon.com

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SUMMARY: The ScreenMax SP133D is a compact Full HD projector offering native 1080p resolution with wireless streaming via Wi‑Fi and Bluetooth audio. It’s designed for casual home cinema in dark rooms, providing convenient portability and modern connectivity. While marketing highlights include bright imagery and crisp quality, these claims are best understood in context—user feedback suggests performance is optimized in low-light conditions. Overall, the SP133D is a sensible, no-frills option for those seeking affordable, cable-friendly projection for movies and media playback at home.

Best Used For: home cinema, including backyard movie nights for environments with controlled lighting

Released: 2024

Brand: ScreenMax

Specification	Details
Brightness	450 ANSI Lumens (claimed, likely lower)
Resolution	Native 1080P
Contrast Ratio	600-1200:1 dynamic
Throw Ratio	1.3:1
Min/Max Throw Distance	4.16 ft → ≈ 3.5 m (for 44–250 inch diagonal)
Lamp Life	50000 hours (advertised)
Connectivity	2 × HDMI, 2 × USB-A, TF-card, 3.5 mm AV & audio; Wi-Fi 6 (2.4 / 5 GHz), Bluetooth 5.3 out-only
Keystone Correction	Manual ±15 ° vertical
Zoom Lens	Digital zoom 100 % → 50 % via menu
Input Lag	~50-100 ms
Audio Output	Built-in 8 W mono speaker; 3.5 mm jack; BT 5.3 audio out
Aspect Ratio	16:9
Weight (kg)	~ 4.4 lb
Lens Shift	not available
Controller Type	IR remote + top physical buttons
Noise Level (dB)	~ 40 dB at 1m
Size of Projection	33-210 inches diagonal

Highlights

The ScreenMax SP133D Projector presents itself as an affordable, versatile option ideal for casual movie nights, small gatherings, and home entertainment setups. Marketed primarily as a Full HD (1080p) native projector that accepts 4K input, it promises enhanced visual clarity suitable for standard multimedia consumption. Its affordability positions it attractively for users seeking decent image quality on a budget, but advertised claims should be evaluated cautiously due to lack of independent verification.

Advertised with a brightness rating of 450 ANSI lumens (also promoted as “13,000 Lux”), the SP133D suggests decent performance in moderately dim environments. However, practical user experiences from forums like TVsBook indicate that effective brightness is notably lower, and the projector functions optimally only in dark rooms or low ambient lighting conditions. Therefore, buyers should realistically anticipate brightness suitable for darkened settings rather than well-lit spaces.

Boasting a high advertised contrast ratio of 15,000:1, the projector promises vivid, dynamic images with deep blacks and clear whites. Despite this appealing marketing figure, typical budget LCD-LED projectors in real-world scenarios typically yield contrast ratios between 600 to 1,200:1. Hence, the advertised figure is likely overstated, indicating that actual on-screen performance could result in flatter dark scenes and less dynamic imagery compared to more expensive models.

The native resolution of 1920×1080 pixels (Full HD), consistently confirmed by multiple online sources, is indeed plausible and generally reliable at this price point. While this native resolution delivers sharp, clear visuals suitable for home movies and streaming content, the advertised 4K compatibility should not be confused with true 4K output, as this capability only refers to accepting and downscaling 4K content.

With a claimed throw ratio of 1.3:1, the SP133D provides decent installation flexibility, enabling larger screen sizes at shorter distances compared to projectors with higher throw ratios. Manufacturer-provided throw distances range from approximately 4.16 feet (1.27 meters) to about 3.5 meters, supporting projection sizes advertised from 44 to 250 inches. In practical terms, however, the image quality noticeably diminishes beyond approximately 120 inches, according to user reports, suggesting optimal viewing at smaller, more manageable screen sizes.

Another appealing advertised feature is its impressive lamp life of 50,000 hours. This longevity is typical for LED-based projectors and theoretically reduces maintenance costs significantly. Nonetheless, actual lifespan could vary greatly depending on usage patterns and operational conditions such as fan performance and temperature control, factors often omitted from promotional material.

Comprehensive connectivity options are among the strongest practical features of the SP133D, including dual HDMI inputs, two USB-A ports, TF-card slot, and 3.5 mm AV/audio ports. Enhanced further with modern wireless standards such as Wi-Fi 6 (dual-band 2.4/5 GHz) and Bluetooth 5.3 for audio-out, the projector easily accommodates various multimedia sources, including smartphones, streaming devices, and external audio solutions.

The projector incorporates a basic but practical manual vertical keystone correction (±15 degrees), providing sufficient adjustment capabilities for casual users to correct minor image distortions when the projector is angled vertically. The absence of auto-keystone functionality aligns with typical budget-class models, requiring users to perform adjustments manually, thus potentially impacting ease of initial setup.

Additionally, the SP133D advertises a digital zoom feature, capable of scaling the projection image size from 100% down to 50%. This digital approach, however, decreases pixel density at smaller sizes due to cropping rather than true optical zooming. Buyers should therefore understand that digital zooming is more about convenience than quality preservation.

In terms of audio, the built-in 8-watt mono speaker offers basic, functional sound sufficient to “fill a bedroom,” according to consumer feedback. However, it notably lacks robust bass and sound clarity for larger spaces, making external audio devices necessary for achieving higher-quality cinematic experiences.

Operational noise levels are another practical consideration. While no specific dB rating is officially provided by ScreenMax, user feedback consistently notes an audible fan noise comparable to approximately 40 dB at 1 meter. Thus, the noise could be noticeable in quiet environments, potentially distracting during quiet movie scenes or presentations, highlighting the importance of this factor when assessing suitability for quiet spaces.

Additional advertised enhancements such as a sealed F12 coated lens and “85% brightness uniformity” suggest a certain degree of improved optical quality and resistance to dust ingress. Though appealing, these claims remain unverified independently, and thus actual impact on image quality or long-term durability remains speculative.

In summary, the ScreenMax SP133D Projector emerges as an economically attractive option offering native Full HD resolution, commendable connectivity versatility, and adequate functionality for home cinema setups in controlled lighting environments. However, users should remain mindful of unverified brightness, contrast ratio, and overall performance claims, adopting realistic expectations and careful consideration prior to purchase.

Amazon Price History

Date	Price (USD)
2025-07-16	85.99
2025-07-20	81.54
2025-08-03	86.39
2025-08-09	108.99
2025-08-16	108.99
2025-09-09	108.99

Since 2025-07-20

Auto Product Comparison

Product	ScreenMax SP133D Projector	XIDU PhilScene S31 Projector	VIZONY RD830 Projector	Dangbei N2 Projector
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Price	$108.99 at Amazon.com	$299.99 at Amazon.com	$119.89 ~~$129.99~~ at Amazon.com	N/A at Amazon.com
Brand	ScreenMax	XIDU	VIZONY	Dangbei
Check Details		Check Details	Check Details	Check Details
Brightness	450 ANSI Lumens (claimed, likely lower)	~400 ANSI Lumens	800 ANSI Lumens	400 ISO Lumens (advertised)
Resolution	Native 1080P	Native 1080P (4K downscales to 1080P)	Native 1920x1080	1080P
Contrast Ratio	600-1200:1 dynamic	25000:1 (dynamic, advertised)	2000:1	2000:1 (advertised)
Throw Ratio	1.3:1	~1.2:1	1.39:1	1.26:1
Min/Max Throw Distance	4.16 ft → ≈ 3.5 m (for 44–250 inch diagonal)	2-3 meters for 80-150 inches	1.23m - 6.15m	~1.26m for 45", 3.35m for 120"
Lamp Life	50000 hours (advertised)	~30000 hours	100000 hours (advertised)	30000 hours
Connectivity	2 × HDMI, 2 × USB-A, TF-card, 3.5 mm AV & audio; Wi-Fi 6 (2.4 / 5 GHz), Bluetooth 5.3 out-only	Bluetooth, Wi-Fi, USB, HDMI, 3.5mm jack	WiFi 6 (5G/2.4G dual-band), Bluetooth 5.2, HDMIx2, USBx2, AV, Audio, TV Stick, Phone	USB2.0 x2, HDMI x1, 3.5mm Audio, WiFi, Bluetooth 5.0
Keystone Correction	Manual ±15 ° vertical	Auto vertical, 4-point electronic correction	±50° vertical/horizontal, 4P/4D adjustment	Auto: Vertical ±30°, Horizontal ±20°; Manual adjustment possible
Zoom Lens	Digital zoom 100 % → 50 % via menu	50%-100% digital	50%-100% digital zoom	fixed
Input Lag	~50-100 ms	~40 ms	Not specified	Not specified
Audio Output	Built-in 8 W mono speaker; 3.5 mm jack; BT 5.3 audio out	Dual 8W speakers	15W built-in speaker	2 x 6W speakers with Dolby Audio
Aspect Ratio	16:9	16:9/4:3	16:9 & 4:3	16:9
Weight (kg)	~ 4.4 lb	1.86 kg	3.46 kg	2.2 kg
Lens Shift	not available	Not available	not available	Not available
Controller Type	IR remote + top physical buttons	Remote Control	remote control	Remote control; external controllers via Bluetooth
Noise Level (dB)	~ 40 dB at 1m	~35 dB	< 27 dB	<26dB @25°C, 1m distance (advertised)
Size of Projection	33-210 inches diagonal	40-300 inches	40-200 inches	45" to 120"
Connectivity	2 × HDMI, 2 × USB-A, TF-card, 3.5 mm AV & audio; Wi-Fi 6 (2.4 / 5 GHz), Bluetooth 5.3 out-only	Bluetooth, Wi-Fi, USB, HDMI, 3.5mm jack	WiFi 6 (5G/2.4G dual-band), Bluetooth 5.2, HDMIx2, USBx2, AV, Audio, TV Stick, Phone	USB2.0 x2, HDMI x1, 3.5mm Audio, WiFi, Bluetooth 5.0