Kirstein currently offers 35 products from Fosi Audio. A total of 6 reviews have already been submitted with an average rating of 4,5 out of 5 stars.
Everything from Fosi Audio at Kirstein
- Balanced 4.4 mm output & 6.35 mm single-ended headphone jack
- Maximum Power: 2 x 2570 mW at 32 ohms (4.4 mm)
- Supports PCM up to 32-bit/768 kHz and DSD512
- DAC chip AKM 4493SEQ + USB processor XMOS XU316 for high fidelity
- Plenty of connections: USB, optical, coaxial, phono In & XLR/Phono Out
- Low noise floor and wide dynamics - ideal for demanding headphones
Free shipping (DE) inkl. VAT.
- Outputs: 1 x 3.5mm jack (unbalanced), 1 x 4.4mm jack (balanced)
- DAC Chipset: 2 x CS43131
- Sampling Rate: PCM 32bit/384kHz, DSD256
- Signal-to-Noise Ratio: 130 dB
- Frequency Range: 50 - 20,000 Hz
- Includes USB-C cable and USB adapter (C to A)
Free shipping (DE) inkl. VAT.
- 2.0 Amplifier with Texas Instruments 2x TPA3116 Chip
- Power: 2x 100W (4 Ohm)
- 2-Band Equalizer
- Inputs: Line In (RCA), Bluetooth
- Pre Out Output
- Frequency Response: 20 - 20,000 Hz
Free shipping (DE) inkl. VAT.
- Dynamic sound thanks to 2x JAN 5654W tubes and 54V power supply
- Bluetooth 5.1 wireless connectivity
- RCA, AUX & jack for full flexibility
- Treble & bass controls with mid-click for precise tone adjustment
- Headphone impedance: 16-300 Ohms
- Elegant design, selected components & easy operation
Free shipping (DE) inkl. VAT.
- 10" down-firing woofer for deep, punchy bass
- Class-D amplifier: 200 W RMS / up to 500 W peak
- Dual rear bass ports for improved airflow
- DSP with two EQ modes (Music / Movie) & Auto-On/Off
- Connection via LFE / phono line input/output, adjustable phase & crossover
- Compact MDF cabinet with PVC finish
Free shipping (DE) inkl. VAT.
- 97 mm planar magnetic driver for accurate sound reproduction
- Open-back design with a wide soundstage
- Impedance: 28 O, Sensitivity: 98 dB/mW
- Frequency response: 10 Hz ? 50 kHz for fine detail
- Premium build with walnut accents & aluminum frame
- Ideal for audiophile applications
- Value bundle including headphone amplifier
Free shipping (DE) inkl. VAT.
- Inputs 1/2 for 2 amplifiers
- Outputs A/B for 2 pairs of passive speakers
- Maximum power support: 250 watts at 4 ohms (per channel)
- 2 orange VU meters with adjustable brightness and needle sensitivity
- Idle amplifier protection: Built-in 390 ohm resistor protection
Free shipping (DE) inkl. VAT.
- Battery Capacity: 2500 mAh (approx. 6 hours runtime)
- Input: 3.5 mm jack
- Outputs: 2x Headphones (3.5 & 6.5 mm jack), Line Out (3.5 mm jack)
- Maximum RMS Power: 2400 mW / 32 Ohm (High Gain), 300 mW / 32 Ohm (Low Gain)
- Robust, High-Quality Aluminum Housing
- Includes USB Cable/Adapter
- Bundle including headphones
Free shipping (DE) inkl. VAT.
- 97 mm planar magnetic driver for precise sound reproduction
- Open ("Open-Back") design with a wide soundstage
- Impedance 28 Ohm, Sensitivity: 98 dB/mW
- Frequency Response: 10 Hz - 50 kHz for fine detail
- High-quality construction with walnut accents & aluminum frame
- Ideal for audiophile applications
Free shipping (DE) inkl. VAT.
- Reliable Power: 48V DC, 5A for Amplifiers
- Worldwide Use: 100-240V Input, No Converter Needed
- Provides Overcurrent and Overvoltage Protection
- Designed for Fosi Audio Amplifiers
- Compatible with BT20A Pro, TB10D, ZA3, and V3 Amplifiers
Free shipping (DE) inkl. VAT.
- Monoblock design (ideal for subwoofers)
- XLR and phono input
- Rated power: 240W (@4 Ohm), 160W (@6 Ohm), 120W (@8 Ohm)
- Frequency response: 10 Hz - 30 kHz
- Texas Instruments TPA3255 amplifier chip
- Automatic standby mode after 10 minutes
- 2-piece value set
Free shipping (DE) inkl. VAT.
- Multiple Input Modes (Bluetooth, USB, optical, coaxial, RCA)
- High Output Power with Two TPA3255 Chips
- Power: Up to 165 W per Channel and 350 W for the Subwoofer
- Retro VU Meter for Classic Look and Real-Time Signal Display
- Pre-Out for Additional Amplifiers
- Bass and Treble Controls with Central Locking
Free shipping (DE) inkl. VAT.
- Inputs: 3 x phono
- Outputs: 1 x phono, Pre-out for active subwoofer (3.5 mm jack)
- Tone-Control Bypass: Bypass the tone controls for the purest Hi-Fi sound
- Three-step gain setting (Gain 3 dB/6 dB/9 dB)
- Chassis: Full aluminum alloy
- Includes multifunction remote control
Free shipping (DE) inkl. VAT.
- Battery Capacity: 2500 mAh (approx. 6 hours runtime)
- Input: 3.5 mm jack
- Outputs: 2x headphones (3.5 & 6.5 mm jack), line out (3.5 mm jack)
- Maximum RMS Power: 2400mw / 32 Ohm (High Gain), 300mw / 32 Ohm (Low Gain)
- Robust and premium aluminum housing
- Includes USB cable/adapter
Free shipping (DE) inkl. VAT.
- 2.0 amplifier with Texas Instruments 2x TPA3116 chip
- Power: 2x 100 W (4 Ohm)
- 2-band equalizer
- Inputs: Line In (phono), Bluetooth
- Pre Out output
- Frequency response: 20 - 20,000 Hz
- Value bundle including bookshelf speakers and 10m speaker cable
Free shipping (DE) inkl. VAT.
- Mehrere Eingangsmodi (Bluetooth, USB, optisch, koaxial, Cinch)
- Hohe Ausgangsleistung mit zwei TPA3255-Chips
- Leistung: bis zu 165 W pro Kanal und 350 W für den Subwoofer
- Retro-VU-Meter für klassische Optik und Echtzeit-Signalanzeige
- Pre-Ausgang für weitere Verstärker
- Bass- und Höhenregler mit zentraler Arretierung
Free shipping (DE) inkl. VAT.
- 2x 150 Watt RMS for Powerful Performance
- Bluetooth 5.0 for Wireless Streaming
- RCA and Bluetooth Inputs for Flexible Connectivity
- PRE OUT Output for Routing to Additional Amplifiers or Active Speakers
- Perfect Fit for Your Music Room
Free shipping (DE) inkl. VAT.
- ES9039Q2M DAC for detailed sound
- USB, HDMI ARC, optical, coaxial, Bluetooth
- XLR and RCA outputs
- OLED display & remote control
- Replaceable op-amps
- Compact aluminum housing
Free shipping (DE) inkl. VAT.









