Infinity RS-IIb Value & Price History
As of 2026-09-22, a Infinity RS-IIb has a market value at around $80 (per pair). Based on 60 estimated sales.
Specifications
| Years produced | 1983–1986 |
| Type | Speaker |
| Brand | Infinity |
| Original MSRP | 1,100 (1983) |
| Inflation-adjusted | ~$3,650 today |
| Market value (sold) | $80 |
Buying notes
Infinity with EMIT ribbon tweeters. The EMIT ribbon tweeters are the critical and fragile component; check both tweeters produce clean, undistorted high-frequency output. EMIT tweeter replacements are increasingly difficult to source. Woofer surround condition. Service requires specialist knowledge.
Parts & supplies
Common maintenance items for the Infinity RS-IIb. eBay links are model-specific searches; Amazon links are for generic supplies that work across most equipment.
- Infinity RS-IIb surround refoam kit on eBay →
- Infinity RS-IIb crossover rebuild caps on eBay →
- Infinity RS-IIb replacement tweeter on eBay →
- Infinity RS-IIb grilles and badges on eBay →
- Speaker wire — 16awg is standard for most setups on Amazon →
- Banana plugs — cleaner connection than bare wire on Amazon →
- Polyfill acoustic stuffing — reduces internal resonance in sealed and ported cabinets on Amazon →
Purchases through these links may earn StereoWorth a small commission at no extra cost to you. See our affiliate disclosure. Repair budgeting: what vintage stereo repair actually costs.
Comparable models
- Infinity Kappa 7 $100/pair
- Infinity Kappa 8 $199/pair
- Infinity SM-155 $1,200/pair
Current listings
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