Douk Audio

HiFi clear sound with tone control: resonable circuit and concise wiring, adopts vacuum tubes to soften the sound and filter out the digital feelings, sounds warm and sweet without noise. Also with treble and bass knobs to adjust one's own preferable sound styles, presents HiFi music with rousing highs and deep lows.

[Universelle Verwendung und starke Kompatibilität] Universelle breite Eingangsspannung von AC 100V-240V 50/60Hz, DC 48V/5.2A (249.6W max) Ausgang; gute Anpassungsfähigkeit, auch weithin verwendet, um LCD-LED-Monitor, HDTV, 3D-Breitbild, Bluetooth-Lautsprecher, Drucker usw. zu fahren.

Strong compatibility and multichannel use: USB both supports PC-USB (phone OTG) and U-disk, can be used as a digital music player to play lossless formats such as WMA / WAV / APE / FLAC; with 3.5mm AUX preamp output, can connect another amplifier or active subwoofer or active speaker to bulid multichannel stereo audio system.

Excellent sound and free settings: with 100K high-impedance input circuit, ensuring clean sound without any audio rendering when using line inputs. The color and light level of backlight also can be adjusted freely, perfectly match with different styles of audio device and environments.

HIFI warm sound and replaceable tube design: default 6A2 tube to filter out the digital feelings and soften the sound to be warmer and sweeter, full and mellow with large dynamic; pluggable tube design, can be upgraded to 6*1N / JAN5725W / 6AK5 / EF95 for tube shaping and rolling and enjoy different sound styles.

Safe touch and easy use: mini size and produces very low level of current, you could easily touch it without any danger. No software and no grounding needed at all, PLUG and PLAY.

As a LCD clock, supporting display time and date: With 3 kinds of display font and 4 kinds of digit change effects. With time and date manual adjustment, also support 12H/24H format switch.

Strong adaptability for different amplifiers: compatible with digital amplifiers (Class A, Class D, Class T), AV amplifier, also for tube amplifier for tube readjustment. When tubes are used for long time or changing other tubes are, effectively avoid imbalance of left and right channels via CT3 testing.

Adopting round-shaped three-metal gold-plated pins, each individual electronic component is of high quality, and professional graphene heat dissipation and noise cancellation filter matrix technology.

Standard-Peking-Vakuumröhre, kann auf GU 32/832 aufgerüstet werden; Standard-NE5532-OP-Verstärker, kann auf OPA2604, JRC4558, OPA2132, OP275 und so weiter aufgerüstet werden, um verschiedene Töne zu genießen.

As a high-precision clock: using RX8025T built-in crystal oscillator whose clock accuracy is ±3ppm, year error within 1 minutes, very cool and interesting.

Many Voices: There are more than 70 kinds of voices for you to choose from, including more than 20 kinds of traditional Chinese national musical instruments. It's extremely playable and perfect as a gift for a friend.

Dual audio inputs and higher compatibility: with wireless Bluetooth 5.1 and wired standard stereo RCA inputs, QCC5125 Bluetooth chip supports APTX-LL/APTX-HD/LDAC fast and lossless transmission, compatible with most audio device such as MP3, phone, computer, tablet, TV, CD player etc.

HIFI Warm Sound & Tone Control: tube design filters out the digital sounds of common sound sources, the sound is soft and delicate, and pluggable socket design easy for tube rolling and sound-shaping. With treble and bass knobs, presenting music with rousing highs and deep lows, more delicate and smooth sound can be achieved according to your own listening styles.

Line input integrated with power interface: equipped with 1x USB & 3.5mm cable and 1x 1:2 3.5mm AUX cable, compatible with your phone/PC/game player/speaker, easily to see the music level status in real time and every slight change of sound can be shown visually.