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Vacuum Bile Tube Preamplifier HiFi Headphone Amplifier Bluetooth 5.0 Receiver US
6K4 Vacuum Bile Tube Preamplifier OP AMP AUX Bluetooth 5.0 USB RCA HIFI Stereo. A9 is an amp Bluetooth receiver. The HiFi tube preamp integrated with the lossless music player can effectively filter noise and improve the sound quality. The sound is soft and transparent with texture, making the sound quality more flexible. Adopting high-performance and low-noise dual op amp NE552, which makes the sound warm and high fidelity. Two high-end 6K4 bile ducts can effectively remove the digital taste and restore high-fidelity music! A9's U disk mode can play mainstream lossless music formats such as APE, FLAC, and the sound quality reaches HiFi CD level. Lossless sound quality output, which is connected to various audio equipment such as digital amplifiers, multimedia speakers, etc.
All-aluminum shell, with gold-plated RCA interface, exquisite appearance, classic luxury. Bluetooth 5.0 - Support U disk input - RCA audio - Multiple inputs - HiFi tube preamp headphone amplifier. High fidelity tube preamp HiFi headphone amplifier - Support U disk input, support APE, FLAC, WAV and other lossless playing - Can be used as a high-fidelity lossless music player - Rich audio input interface, freely switch audio inputs - Adjust treble and bass at you will. USB: For U disk input - Input: Audio input (Connect to PC, cellphone, CD, players and the like) - ANT: Bluetooth signal input - Audio output: Connect to power amp or active speakers - POWER: Switch. Product model: A9 - Working voltage: DC 12V - Frequency response range: 20Hz-20KHz (±3dB) - Audio input: Bluetooth 5.0/RCA/U disk (U disk is not included) - Audio output: RCA/3.5mm headphone jack - Signal to noise ratio: =110dB (when RCA input) - Distortion: 0.05% - U Disk: 32GB - U Disk: MP3/WMA/APE/FLAC/WAV, etc.
- Maximum output power of earphone: 100mW 32? Load - Input sensitivity: 0.775V - RCA output level: 1.4Vrms - Treble, mid-tone, bass gain: ±6dB - Product size: 13143 CM - Machine weight: 0.42kg.