Pioneer CS E421
A two-way infinite baffle bookshelf loudspeaker with a carbon fibre blend mid-woofer and dome tweeter, produced by Pioneer.
Overview
The Pioneer CS-E421 is a vintage two-way bookshelf loudspeaker using an infinite baffle design. It was introduced as part of Pioneer's CS-E series. The speaker features a 200mm carbon fibre blend mid-woofer and a 25mm dome-type tweeter in a two-driver configuration, designed for full-range audio reproduction.
Specifications
| Type | 2 way, 2 driver loudspeaker system |
| Frequency Response | 35Hz to 20kHz |
| Power Handling | 60W |
| Crossover Frequency | 5000Hz |
| Mid-woofer | 200mm carbon fibre blend |
| Tweeter | 25mm dome type |
Design
The CS-E421 uses an infinite baffle type system with a two-way driver configuration, mounting the mid-woofer and tweeter in a sealed enclosure designed to prevent rear wave interference.
Context
Market
A recent auction listing recorded a bid of €59 on March 2, 2025, indicating current collector interest in working or restored units.
eBay Listings
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