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At £2,999, this Benchmark HPA4 sits above the median of £2,573 from four recent GBP comps, landing near the 75th percentile of £2,737; it’s an ambitious but not unreasonable price for a clean, unknown-condition unit, especially since ex-demo new stock now asks around £2,700 and the current RRP is £3,599.

The HPA4 remains a top-tier choice for serious headphone users and preamp duties, thanks to its THX-888 circuit delivering near-zero output impedance, massive current (up to 1.5A), and ultra-low distortion (<0.00006%). It drives everything from 16Ω to 300Ω with authority, offers stepped volume control, balanced XLR and ¼” headphone outputs, and doubles as a high-SNR line preamp. If this listing includes the remote and shows no signs of wear, it’s a solid buying opportunity for someone who values benchmark-level transparency and build quality.

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About Benchmark Media Systems

Benchmark Media Systems traces its roots to 1983, when founder Allen H. Burdick launched the company as Benchmark Sound Company from a garage in Dallas, Texas. Burdick, a lifelong audio enthusiast, built the brand around meticulous engineering principles, evolving it into a dedicated hi-fi operation. Today, headquartered in Syracuse, New York, where it engineers, manufactures, and ships products, Benchmark upholds over four decades of American craftsmanship focused on precision audio reproduction.

The company specializes in a focused lineup of high-performance components, including flagship digital-to-analog converters like the DAC3 series, transparent preamplifiers such as the LA4, and the acclaimed AHB2 power amplifier—named in honor of Burdick himself. This streamlined portfolio avoids speakers, turntables, headphones, or cables, concentrating instead on core electronics that prioritize signal integrity and minimal distortion.

Benchmark occupies a premium niche in the hi-fi market, revered by discerning audiophiles and measurement enthusiasts for its exceptional transparency, low noise, and top-tier objective performance. Positioned as a high-end boutique brand, it appeals to buyers who demand verifiable excellence over hype, consistently outperforming competitors in rigorous testing while delivering reliable, no-compromise sound.

See all Benchmark Media Systems listings on RADAR.

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