Fosi Audio P3 Tube Preamp Headphone Amplifier Home Audio Preamplifier Mini Vacuum Pre Amp Receiver with Bluetooth aptX LL HD Bass Treble Tone Controls for HiFi Stereo Active Speakers with RCA AUX Jack

True Tube Amplification: The preamp circuit increases voltage to 54V allowing tubes to work with full potential, providing a warm and rich experience. Unique pre-amplification technology faithfully reproduces clear high tones, full mid-range wealth and deep, rhythmic bass, delivering pure audio signals.

Bluetooth 5.1: Equipped with Qualcomm QCC3031 chip, the P3 preamp guarantees impressive wireless audio quality and low latency due to compatibility with aptX HD and aptX LL codec formats. Additionally, the inclusion of a manual reset button increases connection reliability by others avoiding accidental connection.

Versatile Connections: P3 provides Bluetooth/RCA inputs and RCA/AUX OUT/3.5mm headphone outputs. It can help build a 2.1-channel audio system by connecting active speakers/an amplifier and a subwoofer. As a headphone amplifier, it supports headphones whose impedance is ranging from 16Ω to 300Ω.

Premium Components: ELNA uses audiophilic grade capacitors and conical A pot. Bass and treble controls have central details for tone adjustment. Helps build a HiFi sound system when paired with the V3 amplifier of the same series as SNR and 95dB cross talk up to 103dB.

What You Get: Fosi Audio P3 Tube Preamplifier x1, User Manual x1, 5654W Vacuum Tube x2, 12V/1.5A Power Supply x1, 24 months worry-free warranty and responsive customer service.