4" Standard Foam Speaker Surround
4" Standard Foam Speaker Surround (TSPC-FS-04-STD) with 100 mm outer diameter (A) and 66 mm inner diameter (D). Precision engineered for hi-fi bookshelf & midrange drivers. Features standard half-roll profile in high-compliance polyether foam.
Starting Price
Minimum Order (MOQ)100 units
DDP Landed Pricing (Delivered Duty Paid)Doorstep air express delivery, destination customs clearance, and import duties are 100% included in the unit price. Zero hidden fees.
Available Variants
4" Standard Foam Speaker Surround - Factory Standard
MOQ100 units
ColorAnthracite Matt Black
ProfileStandard Half-Roll
MaterialHigh-Compliance Polyether Foam
IncotermsDDP (Delivered Duty Paid — Air Express Doorstep Delivery)
Thickness0.95 mm
ApplicationHi-Fi Bookshelf & Midrange Drivers
Nominal Size4" (100 mm)
Product Code
Technical Specifications
| MOQ | 100 units |
| Color | Anthracite Matt Black |
| Profile | Standard Half-Roll |
| Material | High-Compliance Polyether Foam |
| Incoterms | DDP (Delivered Duty Paid — Air Express Doorstep Delivery) |
| Thickness | 0.95 mm |
| Application | Hi-Fi Bookshelf & Midrange Drivers |
| Nominal Size | 4" (100 mm) |
| Product Code | TSPC-FS-04-STD |
| Compatibility | Bose 901 Series (Driver Units) • JBL Control Micro • Infinity Reference 10/11 • Canton Plus X / Karat 100 • Braun L300 / L410 • Quadral Maxi • B&W 4" Midrange |
OEM Fitment & Driver Recone Compatibility
Speaker Model Compatibility
Verified direct-fit replacement surround for 5+ loudspeaker models from 5 OEM audio brands.
Bose
901 Series (Driver Units)
JBL
Control Micro
Infinity
Reference 10/11
Canton Plus X /
Karat 100
B&W
4" Midrange
Fitment Guarantee: Engineered to exact OEM outer, roll, and inner diameter tolerances for smooth acoustic excursion and original factory frequency response restoration.
Product Details
4" Standard Foam Speaker Surround (TSPC-FS-04-STD)
- Outer Diameter (A): 100 mm
- Roll Outer Diameter (B): 92 mm
- Piston Diameter (C): 75 mm
- Inner Diameter (D): 66 mm
- Thickness: 0.95 mm
- Profile: Standard Half-Roll
- Material: High-Compliance Polyether Foam
- Color: Anthracite Matt Black
- Application: Hi-Fi Bookshelf & Midrange Drivers
- Compatibility: Bose 901 Series (Driver Units) • JBL Control Micro • Infinity Reference 10/11 • Canton Plus X / Karat 100 • Braun L300 / L410 • Quadral Maxi • B&W 4" Midrange
- Technical Notes: Direct replacement for classic European 4-inch driver frames.
Applications
Hi-Fi Bookshelf & Midrange Drivers
Request a Quote
Get custom pricing for 4" Standard Foam Speaker Surround. Our team responds within 24 hours.