2024年Q4 Topping (中国深圳・2008年設立・16年継続 Asia HiFi audio cost-effective dominant brand・累計売上$50M+/year・Industry-leading audio reference design + Cost-effective HiFi specialty brand) 発表DX9 Anniversary・15周年記念Premium Desktop DAC/AMP flagship・ESS Sabre ES9039PRO + AKM AK4499EX dual chip approach (Industry-leading hybrid DAC topology) + Custom THX AAA + Dexa NFCA hybrid amplifier + Balanced 6Wpc XLR + DSD512 + PCM 768kHz・Topping 15周年記念モデル + Asia HiFi reference design dominant brand。