Description: FOR PARTS ONLY: Please listen to the audio in the video to hear the problem. The unit is defective as there is a buzzing/static noise once it is plugged in. I have tested with different cables, inputs, and headphones, but the issue persists. NO RETURNS FiiO K9 Pro ESS Desktop DAC and Amplifier, Precise Design, Fully Differential, Fully Balanced Design, RGB Indicator Lights
Price: 275 USD
Location: Clovis, California
End Time: 2024-11-25T04:07:22.000Z
Shipping Cost: N/A USD
Product Images
Item Specifics
Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Return policy details:
Bluetooth format indicator: SBC: blue, AAC: cyan, aptX HD: yellow, aptX: purple, aptX LL: purple, LDAC: white, atpX Adaptive: green
Bluetooth receiver (5.0): AAC/SBC/aptX/aptX LL/aptX HD/LDAC/atpX Adaptive
Digital coaxial input interface: RCA socket
Balanced output interface: 4.4mm socket, XLR4 balanced socket
Balanced line output interface: XLR3 balanced socket
Balanced line input interface: 4.4mm balanced socket
Sampling rate indication: Surpported
USB: Type-C, USB B (data transmission)
Headphone output interface: Standard 6.35 mm socket
Power supply: AC 110-115V~/AC 220-230V~ （Recommended）
Firmware upgrade: System firmware and Bluetooth version can be upgraded via USB
Volume Scroll: Potentiometer+ADC Sampling
Recommended headphone impedance: 16~600 Ω
Maximum supported sampling rate: 384kHz-32bit/DSD256（USB DAC）
192kHz-24bit (coaxial)
96KHz
Channel balance: L12~R12 (0.5dB per level)
Single-ended line output interface: RCA socket
Button: Physical key + toggle switch
FiiO Control: Surpported
Hardware solution: DAC: ES9038PRO*2, USB: XMOS XUF208, Bluetooth: QCC5124, LPF: OPA1612 * 2, volume IC: NJU72315 * 2, AMP: THX AAA 788+ * 2, linear transformer：THAILIN/BingZi
Spdif in: Optical fiber socket
Bluetooth format indication: Surpported
Single-ended line input interface: RCA socket
Deep standby: Long press the multi-function button for about 3s
Gain: L/M/H
Audio Inputs: Digital Coaxial RCA
Number of Inputs: 4
Features: Balanced
Color: Black
Number of Outputs: 8
Brand: FiiO
Type: Desktop Amplifier
Model: K9 Pro ESS
MPN: K9PROESS
