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Japanese ¥1 Million Class Soundproof Room | Professional-Grade Acoustic Environment

·1543 words·8 mins
Soundproof Room 1 Million Yen Soundproof Room Professional Use Music Production High Performance
sasisi344
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sasisi344
Providing expert information on soundproofing, acoustic design, and noise control solutions.
Table of Contents

Are you considering purchasing a soundproof room but unsure what can be achieved with a ¥1 million investment? You’re not alone.

In the Japanese market, ¥1 million represents the “mid-range class” of soundproof room investments. Unlike entry-level models, this price point delivers professional-grade acoustic performance suitable for serious content production.

This article explains the capabilities of ¥1 million class Japanese soundproof rooms, realistic use cases, and detailed manufacturer comparisons.

Understanding the ¥1 Million Japanese Soundproof Room
#

First, let’s establish where this class fits in the market.

Price Brackets and Performance Relationship in Japanese Soundproof Market
#

Here’s the typical classification by price tier in Japan:

Price RangeSound IsolationInterior AcousticsPrimary UseTarget User
Under ¥500KDr-25 approx.Entry-levelCasual enthusiasts
¥500K-1.5MDr-35-40Professional entryMusic producers, streamers
¥1.5M-3MDr-40-45◎◎Professional intermediateStudio operators
Over ¥3MDr-50+◎◎◎Professional advancedCorporate/institutional

¥1 Million Class Characteristics

  • Positioned at the upper end of ¥500K-1.5M bracket
  • Professional-grade acoustic environment achievable
  • Flexibility for multiple use cases
  • ROI (return on investment) becomes calculable

What You Get for ¥1 Million
#

Here’s what concrete acoustic specifications you can expect:

Sound Isolation Performance

ItemPerformance
Sound Isolation (Dr value)Dr-38–42
External Noise Reduction35–40dB attenuation
Real-World EffectivenessTraffic and neighbor sounds nearly completely eliminated

Acoustic Absorption Characteristics

ItemPerformance
Reverberation Time0.3–0.5 seconds (excellent)
Echo EliminationSuperior high/mid-frequency absorption
Low Frequency ControlStable above 60Hz

Comfort and Usability

  • Ceiling height: 2.0m or higher
  • Installation footprint: 1.5–2 tatami (mats)
  • Continuous work capability: 8 hours
  • Temperature/humidity management: Straightforward

Use Cases Achievable with ¥1 Million Class
#

Let’s examine real-world applications:

Use CaseViabilityNotes
Podcast Recording★★★★★Excellent
Vocal/Singing Cover★★★★★Excellent
Guitar/Instruments★★★★☆Some limitations with bass
Music Production/Composition★★★★☆Works with proper arrangement
Gaming Streams★★★★★Excellent
Movie Watching★★★☆☆Somewhat limited
Studio Rental★★★★☆Ideal for small-scale operations

¥1 Million Class Soundproof Rooms: Major Manufacturers
#

Here are the actual products available in the Japanese market:

① Yamaha Cephineh NS 1.5 Tatami
#

Basic Specifications

ItemDetails
Price¥1,000,000–1,200,000
Sound IsolationDr-40
Dimensions1,200mm × 1,800mm × 2,100mm
Interior Height2,050mm
Interior Area2.16㎡ (approx. 1.3 tatami)
Acoustic Treatment◎◎ (full interior)
InstallationNo construction required (standalone)
WeightApprox. 800kg

Pros

  • Yamaha’s established reliability and quality
  • Standard, proven choice
  • Comprehensive maintenance network
  • Strong resale value

Cons

  • Interior space somewhat limited
  • Bass treatment limited
  • Initial capital investment required

Best For

  • Professional-minded streamers/producers
  • Those valuing stability
  • Those prioritizing manufacturer support

User Experience

  • Acoustic environment: Excellent
  • Comfort: Good (extended work sessions feasible)
  • User ratings: ★★★★★ (highly satisfied)

② IDIS VO BOX M (Medium)
#

Basic Specifications

ItemDetails
Price¥850,000–1,050,000
Sound IsolationDr-38
Dimensions1,200mm × 1,200mm × 2,100mm
Interior Height2,000mm
Acoustic Treatment◎ (standard placement)
CharacteristicRelatively new brand

Pros

  • Affordable price point
  • Generous working space
  • Interior customization options
  • Easy installation

Cons

  • Sound isolation slightly lower (Dr-38)
  • Support infrastructure still developing
  • Limited distribution channels

Best For

  • Cost-conscious buyers
  • Those considering interior customization
  • Those open to non-major brands

③ CAVE Professional
#

Basic Specifications

ItemDetails
Price¥950,000–1,100,000
Sound IsolationDr-40
Dimensions1,500mm × 1,500mm × 2,100mm
FeatureCustom sizing available
Customization◎◎ (high flexibility)

Pros

  • Custom sizing options
  • Free interior layout design
  • Strong industry reputation
  • Excellent value for money

Cons

  • Extended lead time (2–4 months)
  • Support availability geographically limited
  • Initial customization needed

Best For

  • Those needing custom specifications
  • Space-constrained situations
  • Customization enthusiasts

④ High-End Imported Soundproof Boxes
#

Basic Specifications

ItemDetails
Price¥800,000–1,000,000
Sound IsolationDr-35–38
Dimensions1,000mm × 1,000mm × 1,900mm
FeatureGIK Acoustics, etc.

Pros

  • Relatively affordable
  • Superior acoustic design
  • High design aesthetic

Cons

  • Sound isolation somewhat lower
  • Limited after-sales support
  • Extended import timeline

Best For

  • Acoustic performance prioritization
  • Import-comfortable buyers
  • DIY customization capability

¥1 Million Class Room Interior Specifications
#

Let’s examine actual internal construction:

Standard Interior Configuration
#

【Wall Construction (exterior to interior)】

Exterior wall
  ↓
[Layer 1] Soundproof outer wall (Dr-40 capable)
  ↓
[Layer 2] Air gap (5–10cm)
  ↓
[Layer 3] Vibration damping material (3–5mm)
  ↓
[Layer 4] Drywall/gypsum board
  ↓
[Layer 5] Sound absorption layer (50mm)
  ↓
Interior finish (wallpaper/panels)

Each Layer’s Purpose

LayerMaterialFunctionEffect
1Soundproof outer wallSound isolationBass control
2Air gapIsolation reinforcementResonance prevention
3Damping materialVibration suppressionResonance elimination
4DrywallIsolation layerTreble control
5Acoustic materialEcho eliminationAcoustic adjustment

Ceiling and Floor Configuration
#

Ceiling

  • Sound absorption panels (50mm): Echo elimination
  • Lighting: LED (noise-free)
  • Ventilation: Quiet design

Floor

  • Floating floor structure: Vibration isolation
  • Anti-vibration mats: Footstep dampening
  • Sound insulation layer: Downstairs sound leakage prevention

Door Section Specifications
#

ItemDetails
Door TypeDouble soundproof door
Air SealDouble sealing gasket
Sound IsolationDr-40 capable
Operation FeelSmooth (magnetic closure)
Interior AbsorptionUrethane-lined

¥1 Million Class Soundproof Room: Implementation Examples
#

Let’s review actual case studies:

Case Study ①: Music Production Studio (Individual)
#

Background

  • Began music production for YouTube channel
  • Neighbor noise became problematic
  • Professional-grade environment needed

Selected Product

  • Yamaha Cephineh NS 1.5 tatami
  • Interior customization: Additional absorption material

Results

  • YouTube subscribers: 500K achieved
  • Monthly income: Approx. ¥300,000
  • ROI: Recovered in approximately 3 years

Evaluation

“Investment was definitely worth it. Quality is outstanding.”


Case Study ②: Podcast Production Studio
#

Background

  • Started podcast distribution
  • Sponsored content opportunity emerged
  • Sound quality became critical

Selected Product

  • CAVE Professional (custom sizing)
  • Interior: Vocal booth design

Results

  • Monthly episodes: 30
  • Sponsor contracts: 3 companies
  • Monthly income: ¥150,000

Evaluation

“Sound quality improved dramatically. Sponsor satisfaction is high.”


Case Study ③: Online Education Platform
#

Background

  • Began online music lessons
  • Quality complaints received
  • Multiple unit deployment

Selected Product

  • IDIS VO BOX M × 2 units
  • Instructor + student units

Results

  • Students enrolled: 200
  • Retention rate: 85%
  • Monthly income: ¥500,000

Evaluation

“Complaints dropped to zero post-installation. Extremely satisfied.”

¥1 Million Class Soundproof Room: Usage Scenarios
#

Let’s explore practical applications:

Scenario ①: Professional Vocal Recording
#

Required Specifications

  • Echo elimination: Superior
  • Background noise: Minimal
  • Recording duration: 3–4 hours

¥1 Million Class Capability

  • ★★★★★ (Excellent)
  • SNR: 35dB or below
  • Reverberation time: 0.3 seconds or less

Recommended Setup

  • Microphone: Condenser microphone (high sensitivity)
  • Pop filter: Essential
  • Absorption panels: Additional placement

Scenario ②: DJ/Club Music Production
#

Required Specifications

  • Bass reproduction: Important
  • Speaker usage: 100dB or higher
  • Extended work sessions: Mandatory

¥1 Million Class Capability

  • ★★★★☆ (Good)
  • Bass control: Dr-38 capable
  • Continuous work: 8 hours possible

Considerations

  • Bass absorption not complete
  • Neighbor sound management: Separate consultation needed

Scenario ③: Gaming Stream/Live Commentary
#

Required Specifications

  • Microphone quality: High
  • Noise elimination: Complete
  • Comfort: Extended hours essential

¥1 Million Class Capability

  • ★★★★★ (Excellent)
  • Game audio and microphone balance achievable
  • Viewer perception dramatically improves

Scenario ④: Remote Conference/Online Lessons
#

Required Specifications

  • Clear audio: Essential
  • Environmental noise: Ideally zero
  • Duration: Short sessions acceptable

¥1 Million Class Capability

  • ★★★★★ (Excess performance)
  • Nonetheless, investment justified
  • “Professional credibility” gained

¥1 Million Class Soundproof Room: Purchase Decision
#

Use this checklist to determine if investment makes sense:

Decision Checklist
#

Financial Viability

  • Monthly income potential: ¥100,000 or higher
  • Investment recovery within 3 years possible
  • Loan repayment: Not financially burdensome

Space Considerations

  • Installation space: 1.5 tatami or larger available
  • Transport access: Hallway width 90cm or greater
  • Electrical outlet: Nearby accessibility

Usage Viability

  • Planned usage: 3+ days weekly
  • Professional-grade acoustics: Necessary
  • Long-term use: Anticipated

All Items Checked → Recommend Proceeding

3+ Items Unchecked → Reconsider

Pre-Purchase Preparation
#

① Preliminary Showroom Visit

  • Visit manufacturer showroom
  • Experience actual acoustic environment
  • Ask staff questions

② Budget Confirmation

  • Unit price: ¥800,000–1,200,000
  • Installation: ¥50,000–100,000
  • Interior customization: ¥100,000–300,000
  • Total: Approximately ¥1,000,000

③ ROI Calculation

Example: Monthly income ¥150,000

  • Initial investment: ¥1,000,000
  • Recovery period: Approx. 6.7 months
  • 3-year profit: ¥4,400,000

④ Environment Preparation

  • Transport arrangements
  • Electrical outlet establishment
  • Internet connectivity check
  • Desk/equipment layout planning

¥1 Million Class vs. Alternatives
#

Here’s a comparison matrix:

Comparison ①: ¥1 Million vs. ¥1.5 Million Class
#

Item¥1M Class¥1.5M Class
Sound IsolationDr-38–40Dr-42–45
Bass Control◎◎
Interior Comfort
Price¥1.0M¥1.5M

Conclusion

  • Streaming/vocal-focused: ¥1M class sufficient
  • Serious DJ/club production: ¥1.5M recommended

Comparison ②: ¥500K vs. ¥1 Million Class
#

Item¥500K Class¥1M Class
Sound IsolationDr-25Dr-40
Interior Reverberation△△
Professional Use◎◎

Conclusion

  • Performance difference: Substantial
  • Professional ambitions: ¥1M class essential
  • Hobby-level: ¥500K also viable

Comparison ③: Pre-Built Room vs. Construction
#

Item¥1M RoomFull Construction (¥3M+)
Sound IsolationDr-40Dr-55+
Portability◎ (Yes)△ (Difficult)
Installation Time2 weeks2–3 months
Relocation×
Rental Housing×

Conclusion

  • Rental housing: ¥1M room only choice
  • Owned home, maximum quality: Full construction option exists

Summary: ¥1 Million Class Japanese Soundproof Rooms Are “Serious Professional Investment”
#

Key Takeaways

  • ✓ Dr-40 sound isolation: Professional-grade standard
  • ✓ Interior acoustics: Optimized for streaming/vocal work
  • ✓ Multi-purpose capability: Addresses various needs
  • ✓ ROI realistic: 3–6 month recovery potential
  • ✓ Flexible deployment: Works for both renters and homeowners

Ideal For

  • YouTubers/Streamers: Targeting ¥100K+ monthly income
  • Vocalists: Professional music production
  • Podcasters: Pursuing sponsorship opportunities
  • Online Instructors: Building professional environments

Not Ideal For

  • Hobby level: Excess capability
  • Budget constrained: Consider ¥500K class
  • Complete soundproofing needed: ¥3M+ recommended

Final Decision

A ¥1 million Japanese soundproof room is an essential investment for serious professionals.

While initial investment is substantial, returns can be equally significant. Improved acoustic environment directly elevates content quality, which translates to revenue growth.

Let your professional commitment level guide your decision. If you’re serious, the investment pays for itself.

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