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Das Angebot umfasst einen Fosi Audio BT30D 2.1 Verstärker, ein 24V 4,5A Netzteil und eine Anleitung in Englisch.
Das Gerät ist neu und unbenutzt. Eine Rechnung wird nicht mitgeliefert.
Marke: Fosi Audio
Model: BT30D
Verstärker-Chip: 2x TPA3116D2
Operationsverstärker: 2x NE5532
Maximale Ausgangsleistung: 2x 50W (Lautsprecher) + 100W (Subwoofer)
THD: 0.05% bei Ausgang von 1W
SNR ≥98dB
Spannung: 12 - 24V
Frequenzbereich: 20Hz - 20kHz (±3dB)
Einstellbereich für Übergangsfrequenz: 40 - 300Hz*
Device Dimension: 118 x 132 x 35 mm (LxBxH)
Signal-Eingang: Bluetooth oder RCA
Ausgang: 2x passive Lautsprecher + 1x passiver Subwoofer oder 1x aktiver Subwoofer
Bluetooth-Version: 5.0 mit einer Reichweite von bis zu 15m (ohne Hindernisse)
(*) Die beiden Ausgänge für passive und aktive Subwoofer geben nur Signale bis 300Hz aus und können mit dem Drehknopf SUB FREQ stufenlos eingestellt werden.
Der Verstärker funktioniert mit allen aktuellen Smartphones, Tablets, Notebooks, PCs usw. mit Windows, iOS, Android oder Linux sowie mit Bluetooth-Funktionalität.
Es kann abgeholt werden.
paypal und Überweisung sind möglich. Es kann auch versichert versendet werden.
Privatverkauf: Gewährleistung und Rücknahme sind ausgeschlossen.
This is a buyer’s market for compact 2.1 integrated amplifiers, and the €73 asking price for the used Fosi Audio BT30D sits right at the median of the €60–€81 typical used range, making it a fair deal. Lean on the GROUND TRUTH: with a median of €72, 25th percentile at €60, and 75th at €81, this €73 listing is neither a bargain nor ambitious—it’s squarely fair for a clean, used unit in EUR condition.
The BT30D is well-regarded for its strong bass output, Bluetooth 5.0 convenience, and bass/treble controls, delivering a satisfying 2.1 experience for budget-conscious setups. It handles passive speakers and subwoofers effectively, making it ideal for small home theaters or desktop audio. With no caveats needed on condition or accessories, this fair-priced, well-loved amp represents a solid buying opportunity for enthusiasts seeking reliable performance without overspending.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Fosi Audio emerged in January 2017 from a modest 10-square-meter office in Shenzhen, China, founded by Ryan Huang and a partner driven by the conviction that high-fidelity sound should be accessible without elite pricing. The brand represents the new wave of Chinese audio manufacturers challenging the traditionally expensive import-dominated hi-fi market. In less than a decade, the company has grown from a confidential startup to an internationally recognized player, now operating from an R&D center spanning over 2,300 square meters and holding more than 100 patents.
Fosi Audio's product portfolio spans the full spectrum of hi-fi components, with particular strength in compact amplifiers and digital-to-analog converters that deliver disproportionate performance for their price point. The brand manufactures integrated and multi-channel amplifiers, DACs, headphone amplifiers, preamplifiers including phono stages, passive subwoofer modules, speakers, headphones, and cables. This comprehensive range reflects a deliberate strategy to serve both entry-level enthusiasts and experienced audiophiles seeking value-oriented solutions rather than feature-laden complexity.
The brand occupies a distinctly mid-tier, value-conscious position in the market, distributed across more than 150 countries and frequently ranking atop Amazon's hi-fi charts. Fosi's reputation rests on pragmatic engineering—delivering compelling sound quality through efficient, optimized electronics rather than pursuing systematic upscaling. The company sells directly through its website, Amazon, and AliExpress, backing products with lifetime technical support and a 24-month warranty, positioning itself as an accessible gateway into serious hi-fi rather than a luxury or boutique concern.
See all Fosi Audio listings on RADAR.
