防音予備校 | 防音プランナー宮川直輝
Naoki Miyagawa (@bouonchannel), based in Japan, runs the soundproofing channel 防音予備校 with about 17,500 subscribers and roughly 1,400 median views per video. He posts short Shorts several times a week. Rates are about $150 to $250 per sponsored video.
Japanese soundproofing expert reaching builders and studio owners
- Median of about 1,432 views per video across 30 recent uploads
- Roughly 17,500 subscribers and 607 total videos
- Strong niche focus on soundproof rooms, doors and studio design
Brand fit report
Content
- Formats
- short vertical clips, studio tour videos, product test demonstrations, interview segments
- Tone
- instructive, candid
- Language
- Japanese
- On camera
- Yes, talking head
- Production
- Phone, natural light
- Typical length
- under 60 seconds
Audience
Commercial
- Brands seen
- None yet
- Categories promoted
- soundproofing products, soundproof doors, acoustic construction services
- Affiliate links
- No
No sponsorship disclosures found in the last 50 videos; the channel promotes its own company's products and services.
Suitability GARM Brand Safety Floor + Suitability
Family friendly
Content is about construction, acoustics and music studios with no concerning topics in the recent titles.
We classify content, never people. No age, gender, ethnicity, religion or political views are inferred about the creator. Audience figures are estimates unless marked verified. Creators can correct anything on their profile.
Platforms
Benchmark score: 30 / 100
Public rule, same for everyone. How it works.
Recent videos
▶【設計・施工のプロ向け】防音だけでは不十分！RECスタジオの音響設計・設備設計を施工事例から解説【Omoinotake藤 · 88 views
▶【Omoinotake】藤井怜央さんを丸裸！？スタジオ完成した今の想いを赤裸々に教えてください！ · 1.3k views
▶【Omoinotake】プロミュージシャンの音楽スタジオってどんな作りなの…？【藤井怜央さん】 · 1.1k viewsLast three uploads, latest today.
【防音予備校】は20年以上、防音のスペシャリストとして年間500件以上のプロの録音スタジオ・ダンススタジオ・防音室の設計から施工、防音製品の開発を行う有限会社幸昭社長の宮川直輝が、「プロの防音ノウハウ」を簡単に、誰にでもわかりやすくお伝えしていくチャンネルです！ これから防音室を作ろうとしている方、防音室の設計を依頼されている設計士さん、防音のノウハウを知り新たなビジネスを検討している方は必見です！！ 宮川直輝：有限会社幸昭 代表取締役社長｜大手ハウスメーカー・大手音楽スタジオ・大手カラオケチェーン店等の防音コンサルタントとして多数契約 ＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝ ★各種SNS★ ▼instagram https://www.instagram.com/bouonyobiko ▼有限会社幸昭HP https://bouon-kosho.co.jp ▼有限会社幸昭 FB https://www.facebook.com/bouon.kosho ▼お問い合わせ（アドバイス希望でもOK） https://bouon-kosho.co.jp/otoiawase ＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝ 有限会社幸昭 静岡県富士市依田橋770-5 ☎0545-32-1121 F・FACTORY 静岡県富士市依田橋770-5 https://f-factoryc
About 防音予備校 | 防音プランナー宮川直輝
Naoki Miyagawa, operating as @bouonchannel, runs 防音予備校 (Soundproofing Preparatory School), a Japanese YouTube channel about professional soundproofing. According to his website bouon-kosho.co.jp, he is president of 有限会社幸昭 and has advised large housebuilders and studio chains. The channel posts mostly short clips, roughly 50 uploads in the last year, covering studio design, soundproof doors and DIY booths.
The channel has about 17,500 subscribers and a median of around 1,400 views per video. Viewers are estimated to be mostly Japanese adults in their late twenties to forties who are planning a home or music room, or are builders and designers looking for technical know-how. These are estimates, not platform-reported figures.
Sponsored integrations are typically priced at $150 to $250 per video, which at this view level works out to a CPM of roughly $20 to $35 per 1,000 views, compared with the $10 to $30 CPM typical for paid ads. Brands selling building or audio products to Japanese homeowners should consider it.
Written from 防音予備校 | 防音プランナー宮川直輝's public YouTube profile, platform data and web mentions. Numbers updated 2026-10-19. 防音予備校 | 防音プランナー宮川直輝 can edit or remove this page at any time.
Questions about 防音予備校
How much does Naoki Miyagawa charge for a sponsored video?
Based on the channel's median views and Shorts-heavy format, a sponsored video is estimated at $150 to $250 per video. This is a formula-based range, not a published rate card, so confirm pricing directly with him.
What does Naoki Miyagawa post about on YouTube?
He posts short videos about soundproofing, including studio and soundproof room design, soundproof door tests, and DIY acoustic booths. Content is in Japanese and comes from his work running a soundproofing company.
How do I contact Naoki Miyagawa for a brand deal?
Contact details unlock on Starbooked for $0.80. Boosted creators can be booked through Starbooked directly, so you can request a deal without leaving the platform.
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