Our take
Amcrest ACC4 is an all-in-one USB room camera whose strongest evidence-backed distinction is its combination of 1080p30 video, a 110-degree diagonal view, four microphones, and a speaker. Its technical sheet is unusually specific about room audio processing and the field-angle axes. It is less complete on the usual desk-webcam questions: it does not state the focus method, document a physical privacy shutter, or describe an included mounting system. Treat the 1080p30 ceiling as a real limitation if smooth motion matters, and verify that a current Amazon result actually names ACC4 because historical ASIN B0BSNZDBT4 is not mapped. This is a source-based assessment, not a room-acoustics or image-quality test.
A fixed small-room call setup that values one USB-connected camera, speaker, and microphone array and can accept 1080p30. Compare a different model if you need 60 fps, verified autofocus, physical lens privacy, or operator-controlled movement..
Not for a required 1080p60 or 4K mode, confirmed autofocus, physical lens cover, separately controllable camera motion, or a direct ASIN link; those needs are not established by the checked ACC4 evidence.
Pros & cons
What could work for you, and what to consider before buying.
What works in its favor
- Amcrest lists a 110-degree diagonal view and multiple 30/25 fps modes up to 1080p.
- Four omnidirectional MEMS microphones, beamforming, full duplex, echo cancellation, noise suppression, and a speaker are specified together.
- USB 2.0 Type-C and UVC 1.1/1.5 are identified for a local host connection.
What to weigh up
- The highest listed mode is 1080p30; no 60 fps or 4K mode is shown.
- The 2.9 mm lens and field dimensions are specified, but the focus method is not.
- A physical lens cover, face light, camera tracking, mounting style, and exact package are not established.
- The candidate ASIN has not been cross-mapped to ACC4, so a tagged model search is safer than a direct link.
Specifications and exact model details
The key details
| Model covered | ACC4 |
|---|---|
| Documented video modes | MJPEG 1920×1080, 1280×720, 640×480, and 640×360 at 30/25 fps; YUV 640×360 at 30/25 fps. The documented ceiling is 1080p30. |
| Focus and framing | 2.9 mm lens with 100° horizontal, 60° vertical, and 110° diagonal field; close-up distance is listed as 0.35 m. Focus method is not stated. |
| Light and lens privacy | The sheet describes status LEDs but no face-illuminating lamp or physical lens cover; no privacy-cover or light-control behavior is established. |
| Integrated audio | Four omnidirectional MEMS microphones with beamforming, noise suppression, full duplex and echo cancellation; stated pickup radius 4 m. Integrated speaker is 4 ohms / 1.5 W. |
| Connection and mounting | USB 2.0 Type-C, UVC 1.1/1.5, a listed 1.5 m lead and 5 V USB power (maximum 2.5 W); mounting and exact retail-package details are not stated. |
| Identity and setup limits | Amcrest's exact-model sheet identifies ACC4. Historical ASIN B0BSNZDBT4 is not mapped to the product; use the tagged exact-model Amazon search. |
Performance figures are manufacturer claims. Source checked October 16, 2026. Regional models and included accessories can differ.
Full review: how the features affect your choice
What the features mean for you
Read the mode table before relying on the camera label
Amcrest's two-page ACC4 sheet lists MJPEG 1920×1080, 1280×720, 640×480, and 640×360 at 30 or 25 frames per second, plus YUV 640×360 at those rates. That makes 1080p30 the documented maximum. The product is not a 1080p60 or 4K camera in the material checked here, even if a search result uses broad phrases such as HD or conference camera. If your conferencing app must deliver smoother motion, compare its selectable mode list against a product with an explicit 60-fps table. The listed rates describe supported formats, not measured image quality or a guarantee that every host exposes every mode. The exact source is Amcrest's ACC4 technical sheet, and no still-photo or interpolated resolution has been substituted for live video.
The field is genuinely listed on three axes
Unlike many webcam pages that state a single unqualified angle, the ACC4 sheet separates 100 degrees horizontal, 60 degrees vertical, and 110 degrees diagonal for its 2.9 mm lens. That gives a usable diagonal value for comparison without guessing which axis a marketing claim means. The same sheet gives a 0.35 m close-up distance but does not say whether the lens is fixed-focus, autofocus, or manually adjustable. Those are separate questions: the broad diagonal field describes how much of the room can fit in frame, while focus behavior describes how the lens handles different subject distances. Keep the focus field unknown until Amcrest publishes a direct statement for ACC4; do not infer autofocus from the all-in-one form.
Its audio hardware is the main all-in-one advantage
The specification lists four omnidirectional MEMS microphones, a four-metre pickup radius, beamforming, background-noise suppression, full-duplex operation, echo cancellation, and automatic gain control. It also lists a 4-ohm, 1.5-watt speaker with a 140 Hz–20 kHz response. These details make ACC4 a credible one-device audio/video option for a small fixed room, where the camera and playback speaker can share a USB connection. They remain manufacturer specifications rather than independent measurements of clarity or room coverage. The actual result will depend on placement, room reflections, participant distance, and the host application's audio selection. A microphone array and speaker in the same unit also do not establish that a privacy control mutes either component; the sheet does not describe a linked privacy mode.
Do not assume a shutter or desk light
The ACC4 sheet identifies status indicators, but it does not establish a physical lens cover, a subject-facing lamp, or an audio-cutoff control. A status LED can tell an operator that a device is active; it is not evidence of light intended to illuminate a face. Likewise, the absence of a cover in a two-page technical document is not proof that no compatible accessory exists, so the profile leaves the cover and linked audio behavior unknown. If a physical privacy action is part of your requirement, confirm the exact camera has a shutter or add a compatible cover after checking its dimensions. If an integrated light is essential, choose a camera whose maker lists that hardware rather than treating exposure processing as illumination.
Check the host and physical setup
Amcrest lists USB 2.0 Type-C with UVC 1.1/1.5, a 1.5-metre cable, 5-volt USB power, and 2.5 watts maximum draw. The sheet gives dimensions of 109 by 275 millimetres and a weight of 773 grams. Those numbers help with desk clearance and port planning, but the document does not name an included monitor clip, tripod thread, or complete retail package. A USB-C connector does not mean that the camera has network viewing; the source describes a locally connected UVC camera. Confirm the host has a compatible data port and that your application can select the desired 1080p30 stream. Avoid assuming that an adapter, mount, or software control is in the box unless the seller identifies the exact package.
Match the camera to the kind of room
ACC4 is best considered for a stable desk or small meeting room where the owner wants one camera, several microphones, and a speaker. Its 110-degree diagonal field and 1080p30 ceiling are clear tradeoffs: the wider view may capture more of a table, while it does not supply 60-fps motion or a verified tracking mechanism. Use a physical PTZ camera when an operator needs to change direction or zoom, and a 60-fps webcam when movement smoothness outranks integrated room audio. The ACC4 source identifies a product model, but frozen Amazon ASIN B0BSNZDBT4 is not confirmed as that model's offer. The destination therefore searches for Amcrest ACC4 with the buyershortlists-20 tag; check the model marking and package in any result.
Compare for your needs
For documented 1080p60 with integrated speaker audio, compare EMEET C990; for a fixed 93.5-degree diagonal group frame with four microphones and speaker, compare NUROUM C20. ACC4's published 110-degree diagonal value is broader on paper, but it does not document 60 fps or autofocus.
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Before you buy
Does ACC4 record 1080p at 60 fps?
No. Amcrest lists 1080p at 30 or 25 fps and no 60-fps mode.
Is its 110-degree view horizontal?
No. The sheet separates 100° horizontal, 60° vertical, and 110° diagonal.
Does it have a built-in speaker and microphones?
Yes. The specification lists four microphones and a 1.5-watt speaker.
Does ACC4 include autofocus or a privacy cover?
The checked sheet does not state the focus method or identify a physical lens cover.
Is B0BSNZDBT4 the confirmed ACC4 Amazon offer?
The row ASIN has not been mapped to the model; use the tagged exact-model search and verify the result.
Where can I check the current price?
Use the Amazon link for current offers. Check the exact model, seller, product condition, delivery, and return terms. This page does not display a live price or confirm stock.
Sources and review basis
Sources & review basis
We use the linked product documentation for the features above. Our suitability notes and buying advice are editorial judgments based on those features, not measured performance results.
- Amcrest ACC4 All-In-One USB Camera technical specifications ↗ — checked October 16, 2026.
- Amcrest ACC4 exact-model technical specification sheet ↗ — checked October 16, 2026.
The decision
Choose ACC4 when the one-box audio/video combination and documented wide diagonal field matter more than 60-fps capture, focus automation, or a physical shutter.
Is it the right fit?
Check the exact model and today’s offers on Amazon.