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*US* BUYERS IGNORE MESSAGE ABOVE SAYING THERE IS TARIFFS FOR THE BUYER THAT IS NOT TRUE! I PREPAY ALL US BUYER TARIFFS NO TARIFFS FOR YOU TO PAY, YOU PAY IS ONLY AT CHECKOUT NO HIDDEN FEES*SpecificationsPower output: 100 watts per channel into 8Ω (stereo)Surround output: 70 watts (front), 70 watts (center), 70 watts (rear)Frequency response: 70Hz to 20kHzTotal harmonic distortion: 0.2%Dimensions: 420 x 140 x 336mmWeight: 7.8kgYear: 1997Immerse yourself in the rich, authentic audio experience with the Pioneer CX-4000 Stereo Preamp and M-4000 Power Amplifier. A timeless addition to any vintage audio enthusiast's collection, these units deliver a powerful and nuanced sound that is sure to satisfy the most discerning listeners. With their elegant design and robust construction, these preamps and amplifiers are a testament to Pioneer's legacy in high-fidelity audio.The CX-4000 and M-4000 models, when paired together, form a stereo system that is both versatile and powerful, boasting a solid 100WPC output. These pieces have been freshly serviced to ensure they are in prime working order, ready to deliver the clear and dynamic sound that vintage audio is known for. Whether you're setting up a home theater or revitalizing your vinyl collection, this duo will be the centerpiece of your audio setup.
This US$332 ask for the used Pioneer CX-4000 is ambitious, sitting just above the 75th percentile of US$326 and well above the median of US$320 from your own database of three recent comps. While the external listing on StereoNET shows a much lower average of US$80, your internal ground truth is the primary anchor, making this price feel tight for a standard used unit unless the condition is exceptional.
The CX-4000 is a respected CX noise-reduction tuner that delivers a clean 20 dB noise reduction and up to 95 dB dynamic range, making it a valuable upgrade for serious vinyl listeners who want to tame tape hiss and improve signal clarity. Its worth hinges on pristine original-owner condition and included accessories; if those are present, it’s a fair buy for the tech, but at this price, any missing cable or cosmetic flaw would make it a hard pass.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Pioneer traces its roots to 1937 in Tokyo, Japan, when founder Nozomu Matsumoto, inspired by the thrill of imported hi-fi speakers, developed the A-8 dynamic speaker and launched a radio and speaker repair shop. The business formalized as Fukuin Shokai Denki Seisakusho in 1938, evolving into Pioneer Corporation and embodying Matsumoto's philosophy of "Move the Heart and Touch the Soul" through audio innovation.
The brand excels across diverse hi-fi categories, pioneering Japan's first headphones in 1960 with the SE-1 and the world's first component-based stereo system in 1965 via the PSC-5A. Pioneer's portfolio spans amplifiers, speakers, turntables, and DACs, alongside landmark car audio advancements like the 1975 Supertuner-equipped stereo and the 1986 in-car CD player, blending home and automotive excellence.
Today, Pioneer holds a commanding mid-to-high-tier position in the market, revered for reliable, performance-driven gear that balances premium quality with accessibility. Its vintage components attract collectors, while current offerings appeal to discerning buyers seeking robust, innovative sound reproduction without boutique excess.
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