FiiO K9Pro Bluetooth Headphone Amplifier Support High Resolution Sound

Product Description:

The FiiO Control App allows you to control functions like filter selection and channel balance through the built-in Bluetooth Low Energy (BLE) technology, even when not in Bluetooth mode. The K9 Pro ESS headphone amps can drive power-hungry headphones with an impedance of 16~600Ω, making it compatible with most headphones on the market.

Connectivity options are versatile, allowing you to connect the K9 Pro ESS amplifier to your mobile devices, computer/laptop/players, and home audio setup. When connected to your home audio system, the K9 Pro ESS headphone amps can function as a desktop USB audio with your active speakers, providing high-resolution sound that will surprise you.

The K9 Pro ESS offers RCA+XLR balanced line out options for connecting to active speakers, monitor speakers, and external amplifiers. With the ability to switch between fixed and variable output, you have more control over your audio experience.

Featuring a wide variety of connectors, the K9 Pro ESS amplifier offers options such as XLR 4-pin, 4.4mm balanced, and 6.35mm single-ended headphone outputs. The rear panel includes 4.4mm balanced line in, coaxial, optical, Bluetooth, RCA, and USB inputs, as well as RCA SE out and XLR balanced out. The side of the amplifier features a USB Type-C port for convenient connectivity with various devices.

The K9 Pro ESS headphone amp is equipped with two ES9038PRO DAC chips, designed for maximum performance. These chips enable richly detailed sound with minimal distortion. The THX AAA-788+ chips used in the portable DAC provide exemplary details and dynamics, suitable for low and high-impedance headphones. With an undistorted output of up to 2100mW* under a 32Ω load, the K9 Pro ESS amplifier delivers powerful and clean sound.

For a fast and reliable Hi-Res Bluetooth experience, the K9 Pro ESS bluetooth amplifier incorporates the Qualcomm QCC5124 chip, supporting formats such as LDAC, aptX HD, and aptX Adaptive. Dual femtosecond clocks and precise clock management ensure accurate decoding and high-quality audio reproduction.

The K9 Pro ESS amplifier features a high-performance linear power supply and voltage regulation within the audio circuit. This contributes to the excellent sound quality of the amplifier.

With a physical switch for high, medium, and low gain options, you can tailor the amplifier's output to match your specific headphones.

The K9 Pro ESS amplifier has a convenient USB Type-C port for easy connectivity. To dissipate heat, exhaust holes have been added to improve the product's performance.

The desktop portable size of the K9 Pro ESS amplifier makes it suitable for indoor use. It comes with a custom stand to save space on your desktop.

Specifications: - Power supply: AC 110~115V - Recommended headphone impedance: 16~600Ω - Max undistorted output power: ≥2100mW (32Ω balanced)/ ≥1100mW (300Ω balanced)

Accessories: - Power cord1 - Square port USB data cable1 - Headphone jack adapter1 - Bluetooth antenna1 - Quick start guide1 - Card1 - Fuse1 - Instruction card for voltage selection1

The K9Pro ESS desktop DAC supports up to 384 kHz and native DSD256 audio formats. It also supports lossless MQA rendering, allowing you to listen to high-resolution audio files with master-level sound quality.

The K9Pro ESS bluetooth headphone amps support a variety of Bluetooth formats, including AAC, SBC, aptX, aptX LL, aptX HD, LDAC, and aptX Adaptive.

The plentiful playing options include front headphone outputs, rear line in and out options, and a side USB Type-C port for easy connectivity with various devices.

The K9Pro ESS desktop amplifier can drive power-hungry headphones with an impedance of 600Ω. It can be connected to your PC, players, and speakers or external amplifiers, offering versatile options for enjoying your audio.

product information: