SOUND CHECK LLC

What SOUND CHECK LLC does

SOUND CHECK LLC operates an adult video streaming and aggregation website branded as VLXX, accessible at vlxx.com and gosoundcheck.com. Founded in 2015 and headquartered in Pulaski, Wisconsin, the company targets Vietnamese-speaking adult consumers in Southeast Asia, offering free streaming access to adult content — primarily Japanese adult videos (JAV) — organized into categories such as JAV, Vietnamese subtitled ("Vietsub"), uncensored ("Uncen"), school-themed content, affairs, and US/European content. The platform is structured as a content index with 104+ pages of video listings and individual titles displaying view counts in the 900,000 to 2,000,000+ range, indicating meaningful organic traffic.

The underlying technology is a web-based video streaming platform with category-based content organization, search functionality, and cross-linking to third-party adult content repositories including XVIDEOS and XNXX. The platform requires no user registration for basic viewing and operates on an ad-supported revenue model. The company has 19 employees and has maintained continuous operation since founding, with a copyright notice spanning 2015 to 2026. There is no mobile app presence, no disclosed social media presence, and no public ownership or governance information.

Name

SOUND CHECK LLC

Legal name

VLXX (vlxx.com)

Website

https://gosoundcheck.com

Company type

Private

Founded year

2015

Operating status

Operating

Headcount range

11–50 employees

Short description

SOUND CHECK LLC operates VLXX, a free ad-supported web platform that streams and aggregates adult video content with Vietnamese-language organization, targeting Vietnamese-speaking adults in Southeast Asia.

Ownership category

akta.pro rank

Product category

Adult Video Streaming

NAICS

Media Streaming Distribution Services, Social Networks, and Other Media Networks and Content Providers (516210), Motion Picture and Video Distribution (512120)

SIC

Services-Motion Picture & Video Tape Distribution (7822), Services-Allied To Motion Picture Distribution (7829)

akta.pro primary industry

Aggregator/Platform Channels & Marketplace Bundles (Channel Stores, Super-Aggregators) (MPABAHAM)

akta.pro secondary industry

Localization Project Management & Vendor Services (Workflow, Scheduling, Vendor Management) (MPAHAFAC)

Keywords

• Adult video streaming
• Video aggregation platform
• Vietnamese content streaming
• JAV content library
• Freemium video platform

GTM type

B2C

Offering type

Digital Commerce or Content

Cost components

Infrastructure, Operations, Personnel, Technology or R&D, Marketing or Sales, Others

Revenue model

1. Advertising: Platform generates revenue through advertising displayed to users. Free viewing model supported by ad impressions.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

VLXX is an adult video streaming and aggregation platform operated by SOUND CHECK LLC that provides free access to adult content organized by genre, region, and subtitle type. The platform hosts Japanese Adult Video (JAV) and other international adult productions presented with Vietnamese subtitles (Vietsub) or in uncensored format (Uncen). Content is delivered through a web browser without requiring registration for basic viewing.

Product overview

VLXX is a single unified adult video streaming platform operated by SOUND CHECK LLC. The platform aggregates and streams adult content organized into genre-based categories. Content is primarily sourced from Japanese adult content (JAV) and other international productions, presented with Vietnamese subtitles (Vietsub) or in original format (Uncen). The platform operates on a free, ad-supported model with no registration required for viewing.

Differentiator

Problem solved

Functional benefit

Products and services

• VLXX Platform VLXX is an adult video streaming and aggregation platform that provides free access to adult content categorized by genre, region, and subtitle type. The platform organizes content into categories including JAV, Vietnamese subtitled (Vietsub), uncensored (Uncen), and various genre-based collections, targeting Vietnamese-speaking adult audiences aged 19 and older.

Segments1 record

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Two partnerships are on record, tiered minor.

• XVIDEOSminorOthersExternal adult content platform referenced as a content source and category option on the website, allowing users to navigate to XVIDEOS content
• XNXXminorOthersExternal adult content platform referenced as a content source and category option on the website, allowing users to navigate to XNXX content

Scale indicators3 records

Recent moves5 records

Expansion highlights3 records

Emerging players

• Hentaihaven: Anime-style adult streaming platform; adjacent niche within the broader adult streaming space with similar web-based, ad-supported delivery model.
• Txxx: Free adult streaming site aggregating content from multiple sources; directly comparable in aggregation and free streaming model, though without Vietnamese localization focus.
• Beeg: Free ad-supported adult video streaming and aggregation site with similar web-only, no-registration access model that competes for the same casual viewing audience.
• Spankbang: Free adult streaming and aggregation platform with similar category-based navigation and ad-supported monetization, competing for overlapping casual viewers.

Direct peers

• TokyoMotion: JAV-focused streaming and aggregation platform with similar category-based browsing and free access model that competes for the same JAV enthusiast audience.
• JAVHub: Japanese adult video (JAV) focused streaming and aggregation site; directly comparable to VLXX's JAV category offering with overlapping content and audience.

Broad incumbents

• XVIDEOS: One of the largest global adult video platforms; VLXX cross-links to XVIDEOS and aggregates from it, competing for the same Vietnamese-speaking end users with a vastly larger library.
• Pornhub: Largest global adult streaming site operated by Aylo; competes for the same audience with substantially deeper content and brand recognition.
• XNXX: Major global adult video platform that VLXX cross-links to; competes directly for adult video viewers, with broader catalog but no Vietnamese-language curation.
• Redtube: Established free adult streaming site operated by Aylo (same parent as Pornhub); competes for general adult streaming viewers with deep library and brand recognition.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks6 records

Key highlights5 records

Customer concentration

• LinkedInlinkedin.com/company/sound-check-llc

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about SOUND CHECK LLC