FiiO K9 Desktop Headphone Amp/DAC - AKM Edition
FiiO - K9 AKM Flagship Desktop Headphone Amplifier & DAC Combo, AK4191EQ+AK4499EX
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Desktop Headphone Amplifier & DAC
FiiO - K9 AKM
'a new standard in audio performance'The FiiO K9 AKM applies AKM's brand-new flagship DAC combo - AK4191EQ+AK4499EX. Based around the new design technology of totally separated digital and analogue sections, the DAC combo even incorporates the newly developed "DWA ROUTING technology" to improve the Signal to Noise Ratio and reduce noise from varieties of amplitude. The result is more realistic, detailed and natural sound transmission, as if you were there with the performing artists. The K9 AKM not only retains the ESS version’s rich inputs and outputs, including coaxial/optical/Type-B/4.4mm/RCA inputs and 6.35mm/4.4mm/XLR-4/RCA/XLR outputs, but also adds a new Type-C input on the right side of the body, which makes it easy for you to connect directly to your cell phone/player and other devices via the Type-C connector.
at a glance
• AKM flagship DAC combo AK4191EQ+AK4499EX
• Newly added Type-C port
• THX AAA 788+ amplifier
• Dual-mode clock management
• QCC5124 Bluetooth
• LDAC/aptX Adaptive and other high-res Bluetooth codec support
• App connectivity
• Truly balanced design
• Dual-voltage linear transformer
• Variety of inputs and outputs
THX AAA 788+ Amplifier
six-stage audio circuitThe K9 AKM also applies the THX AAA 788+ amplifier as in the high-end DAC/Amp K9 Pro, giving it an extraordinary 1% undistorted power output up to 780mW at 300Ω and up to 2000mW at 32Ω, easily handles low-impedance or high-impedance headphones. The K9 AKM also uses the K9 Pro’s six-stage audio circuit. From the DAC, to the volume adjustment, to the amplification, every part of the K9 AKM is truly balanced for greatly reduced crosstalk and more authentic sound.
The Tech Spec
| Features | Specification | Decoding chip | XMOS XUF 208 |
|---|---|
| Amplifier | Dual THX AAA 788+ |
| Dual-mode clock control | Yes |
| Bluetooth Chip | Qualcomm Bluetooth (5.1) QCC5124 with LDAC/aptX Adaptive and other high-res codec support |
| Three-Level Gain Mode | Low, Medium, High |
| Supports | Up to 768kHz/32bit PCM and DSD512 |
| Outputs | 6.35mm / 4.4mm / XLR-4 / RCA / XLR |
| Inputs | Type-B / Type-C / OPT / COAX / RCA / XLR |
| App Connectivity | Over Bluetooth |
| Design | Truly balanced design |
| Dual-voltage linear transformer | Yes |
| Output Power 1 | L+R≥2000mW+2000mW 320 balanced/THD+N < 1% |
| Output Power 2 | L+R≥780mW+780mW (3000 balanced/THD+N <1%) |
| SNR | ≥128 dB (A-weighted, UAC) |
| Noise Floor | PO < 3uV (A-weighted, UAC); BAL< 5.7uV (A-weighted, UAC) |
| Output Impedance | < 10 (32 Ohm load) |
| Dimensions (excluding feet) | 200 x 224.5 x 72mm |
| Weight | 2660g |
