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For sale used iBasso DC04 USB-C balanced DAC and audio amplifier, with little use and in excellent condition. Basso DC04 2xCS43131 DSD Android USB Type-C to 4.4mm Headphone Amplifier Decode Cable Description DC04, the second-generation decoder amplifier, dual DAC true balanced decoding amplifier cable Double CS43131 decoder chip Bottom noise THD + N 32 Ω @ 195 mw 4.4mm balanced interface Dual DAC balanced decoding amp cable opens a new era of sound quality for mobile phones DC04 uses two high-performance HiFi decoding chips CS43131 to build a 4-channel DAC true balanced output line, which can significantly improve the resolution and channel separation, and present rich sound details. Cirrus Logic's next generation CS43131 with MasterHIFI™ technology has great potential and sweet and pleasant sound. DC04 double DAC design, double material, to ensure the second generation of decoder cable with high quality sound. True gold is not afraid of fire, hard power is not afraid of PK Indicators are not the only way to verify sound quality, but they do tell you a lot about the quality of a product's design. Signal-to-noise ratio: 133 dB, bottom noise The above are AP measurement indicators, stand out in the decoder cable products! Based on super group index, adjust the charming voice The core index of DC04 audio is superior to others, with a signal-to-noise ratio of 133dB and THD+N reaching 0.00032%, leaving the similar products far behind. Even compared to high-end HIFI players, it does not fall behind. Based on the outstanding indicators, the DC04 has been tuned hundreds of times to produce an amazing sound. The background noise reaches the level of Nano volt, approaches zero, and is clean and transparent In AP practice, DC04 bottom noise small than 0.9μV(900nV), be ahead of the similar kind products. The outstanding bottom noise control allows the DC04 to maintain a clean sound base and immerse listeners in the music. Japan Pentaconn original 4.4mm interface, high-quality interface, achieve good audiophile sound On the DC04, we adopted the original high-quality 4.4mm balanced interface from Japan Pentaconn. The price is high, but it has excellent sound effects, reliable stability and longer service life. 4-channel DAC true balanced output, 195mW@32Ω, even more powerful Thanks to DC04's internal 4-channel DAC true balanced output line, the output power is more than 1.5 times that of DC01 under a 32Ω load, reaching an astonishing 195mW, and even hard-to-push in-ear headphones can do well. Under a load of 300Ω, the maximum output level is as high as 4Vrms, which is more outstanding than some mainstream players, and it is also handy for large impedance headphones. Do not miss every detail, the use of a satisfactory experience The metal case of the DC04 adopts a wiredrawing process, with a delicate look and attractive touch, comparable to high-end HIFI players. Select 4 strands copper-plated silver audiophile cable, bring you a more comfortable experience. From Android phones to computers, it can meet the needs of all scenarios DC04 adopts type-C interface and uses standard UAC2.0 sound card chip, which is not only compatible with most Android phones and tablets in the market, but also can connect to Apple /Windows computers through the C-A adapter, easily realizing external decoding. Plug and play, get up anytime, anywhere. Provide exclusive APK software, realize 64 level hardware volume adjustment Mobile phones usually use software algorithms to adjust the volume, which is only about 10 levels in general. The volume range of each level varies greatly, making it difficult to provide fine adjustment. The output level of DC04 is as high as 4Vrms, which can be very loud even if the phone is only 1. To this end, we wrote a

Broadcast Transmitter 1000W DSP PLL STEREO FM. État : "Occasion" Service de livraison : Livraison en Relais Mondial Relay Introduction: - This is the FMT series three generation product, using DSP+PLL technology, better sound quality. - Upgrade frequency step to 5Khz. - Professional radio power tube  MRFE6VP61K25H or BLF188. - We are RF manufacturers, if you need a lot, please contact us, we will provide the best price. - Standard 19 inches, 2U whole aluminum case. - Exquisite craftsmanship. - Particular materials, such as whole aluminum adjusting knob. - Wiredrawing and oxidation makes surface bright, clean and elegant. - LCD touch screen displays working frequency, volume, FETMOS temperature, forward power and SWR. - Provided with the series of protection function, own active protection and raise alarm prompts once meet any trouble while working. - Accurate operating index and perfect protection measures make you are more aware of the operating status of your machine. - Easily installation and simply operations. - High quality and excellent technical performances. - Each machine has been examined strictly by a series of quality inspection and function test to guarantee best operating function. Technical Specification    -  RF Output Power: 0 to 1000 Watt ±10% , 1W/Step  - Frequency range: 87.5-108 Mhz, 5Khz/Step - AC power source: AC110V~240V,50-60Hz, single phase - Frequency Stability: better than ±100Hz - S/N Ratio: More than 60dB - Distortion: less than 0.1% - Modulation: FM,±75KHz peak deviation - Transmission Signal: FM Stereo or Mono - Tuning Design: Stable PLL Technology - Harmonic suppression: - Stereo Separation: More than 50db - RF Output Connector: N Type (L16) -female - RF Output Impedance: 50 ohm - Audio channel Frequency Response: 50 - 15000Hz ±0.5dB - Audio Input Level: -15db, Max -30db - Audio Input Connector: RCA type - AUX Input Connector: none - Operating temperature range: -10 to 45 ℃ - Size of Transmitter Unit: 483mm * 400mm * 88mm (19" Standard 2U case) - Shipping Weight: 11.5Kg