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Hypex Nilai 500 Full Dual Mono in Stereo Case Power Amplifier Hypex Nilai 500 dual monobloc amps in stereo case. Full dual monobloc operation using the KJF Audio stereo to dual mono adaptor kit and wiring harness.Unlike the stereo version this unit has two Hypex PS Power Supplies significantly increasing the power output resulting in a bigger sound stage and increased separation between instruments within the soundstage.This configuration has the convenience of one chassis and removes the need for an additional power cord. Key FeaturesHypex-engineered Class D amplifier Power output: 500W @ 4Ω
The used Hypex Nilai 500 full dual-mono power amp market in Australia sits firmly around AUD 1,877 median for recent comparables, with a tight range from AUD 1,877 (25th percentile) to AUD 2,157 (75th percentile). At AUD 1,900 asking, this one's right at the low end—essentially a fair deal verging on a modest bargain, assuming solid condition and full functionality. No red flags on pricing against those anchors.
Buyers should verify the SMPS500 modules and NCORE500MG amps show no overheating signs or channel imbalance via a proper bench test—Hypex units can develop PSU hum if run hot long-term. Confirm the stereo case, original wiring harness, power cords, and any remote trigger are included; missing bits often hide rebuild history. Probe the seller on hours used and service records to dodge aged caps.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Hypex Electronics, founded in 1996 in the Netherlands, emerged from the live sound sector with plate amplifiers for loudspeakers before pivoting to hi-fi applications. Key innovator Bruno Putzeys developed the Universal class D (UcD) technology, patented through Philips, which propelled the company's early reputation for efficient, high-performance amplification. From modest origins supplying subwoofer modules and multichannel units with active crossovers, Hypex quickly gained traction among studio and audiophile manufacturers seeking superior class-D solutions.
The brand specializes in class-D power amplifier modules, power supplies, DSP solutions, and plate amplifiers, powering active speakers across hi-fi, high-end, and pro audio markets. Iconic lines like UcD and later NCore® deliver ultra-low distortion and exceptional efficiency, setting benchmarks for measured and subjective performance. While not producing complete speakers, turntables, DACs, headphones, or cables, Hypex modules form the backbone of systems from major OEM brands and enable DIY enthusiasts through Hypex Direct kits.
Hypex holds a commanding niche as a world-leading supplier in the high-end class-D segment, trusted by discerning audiophiles and professionals who demand uncompromising sound quality without traditional amp compromises. Its modules outperform legacy designs in efficiency and fidelity, positioning Hypex as the go-to for boutique builders and premium integrations, with production now in Malaysia to meet global demand.
See all Hypex listings on RADAR.
