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September 08, 2026 2 min read
Spec sheet for the OEM Systems SE-80SWf, an 8" frameless in-ceiling or in-wall subwoofer.
Spec sheet for the OEM Systems SE-80SWf, an 8" in-ceiling/in-wall frameless subwoofer with a low-profile, magnetically-attached grille designed to blend seamlessly into any room.
The SE-80SWf is a dynamic 8" round in-ceiling or in-wall subwoofer featuring a frameless design for sleek integration. It uses a specialized shallow polypropylene cone for clean, powerful low-bass reproduction, plus an integrated one-piece surround/damping ring to minimize unwanted resonances in the woofer's mechanical substructure.
The SE-80SWf ships with both round and square grilles for flexible installation and cosmetic matching. The low-profile grille stays rattle-free thanks to 24 specially-shaped neodymium magnets around the frame's perimeter — and the grilles may be painted to match any decor.
For best room integration, OEM Systems recommends connecting multiple SE-80SWf subwoofers (two, three, or four) to one of their 500 Watt Class A/B Model 500 amplifiers. Using multiple woofers around the room isn't just for more bass energy — it also helps minimize standing waves that a single subwoofer can't eliminate alone, giving more uniform bass reproduction throughout the space.
The SE-80SWf is sold individually.
| Type | 8" in-ceiling / in-wall frameless subwoofer, polypropylene cone |
| Frequency Response | 30Hz - 120Hz |
| Sensitivity | 85 dB, 1 watt / 1 meter |
| Power Handling | 100 watts nominal, 150 watts max |
| Impedance | 4 ohms nominal |
| Grille | Magnetically-attached, micro-perforated stainless, toggle mounting system |
| Overall Dimensions | 9-7/8" diameter |
| Cut-out Dimensions | 8-5/8" diameter |
| Mounting Depth | 3-7/8" |
OEM Systems Model 500 — a 500 Watt Class A/B amplifier designed to pair with two, three, or four SE-80SWf subwoofers for uniform, room-filling bass performance.
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