Questyle Sigma Pro
 | Expecting restock Type: portable; DAC: ESS ES9069Q (2 pcs); Headphone impedance (ohm): 32 – 300; Bluetooth: v5.4; Codec support: aptX: aptX Adaptive; LDAC; Gain Control; Level adjustment: wheel; USB-C; Outputs: Headphone outputs: Outputs mini-Jack (3.5 mm): 1x mini-Jack (3.5 mm); Outputs 6.35 mm (Jack): 1x Jack (6.35 mm) |
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E-Catalog UK editor, Headphone Amplifiers
Olexandr Cherkashche…, edited 19.03.2026
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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We recommendCompare using chart →
portable, DAC: ESS ES9069Q (2 pcs), 768 kHz, 32 bit, headphone output: mini-Jack 3.5 mm, Pentaconn 4.4 mm, input USB-C, 20 – 50000 Hz, signal/noise 126 dB
portable, DAC: Asahi Kasei AK4490, 382 kHz, 32 bit, headphone output: 8 – 300 Ohm, Jack 6.35 mm, 500 мВт at 32 Ohm, 20 – 20000 Hz, signal/noise 112 dB
portable, DAC: Cirrus Logic CS43131, 384 kHz, 32 bit, headphone output: mini-Jack 3.5 mm, input USB-C, 410 мВт at 32 Ohm, 20 – 20000 Hz, signal/noise 126 dB
stationary, headphone output: 32 – 300 Ohm, Jack 6.35 mm, Pentaconn 4.4 mm, 3400 мВт at 32 Ohm, 367 мВт at 300 Ohm, 20 – 40000 Hz
portable, DAC: CS43131, 384 kHz, 32 bit, headphone output: mini-Jack 3.5 mm, Pentaconn 4.4 mm, 20 – 50000 Hz, signal/noise 122 dB
stationary, DAC: AK4493S, 384 kHz, 32 bit, headphone output: 16 – 300 Ohm, Jack 6.35 mm, Pentaconn 4.4 mm, 2440 мВт at 32 Ohm, 280 мВт at 300 Ohm, 20 – 20000 Hz, signal/noise 120 dB
Bluetooth-amplifier, portable, DAC: Cirrus Logic CS43131, 96 kHz, 24 bit, headphone output: mini-Jack 3.5 mm, Pentaconn 4.4 mm, input USB-C, 165 мВт at 32 Ohm, 20 – 45000 Hz, signal/noise 117 dB
Bluetooth-amplifier, portable, DAC: 96 kHz, 24 bit, headphone output: 16 – 150 Ohm, mini-Jack 3.5 mm, Pentaconn 4.4 mm, input USB-C, 220 мВт at 32 Ohm, 55 мВт at 300 Ohm, 20 – 40000 Hz, signal/noise 128 dB
portable, DAC: ES9281PRO, 384 kHz, 32 bit, headphone output: mini-Jack 3.5 mm, input USB-C, 70 мВт at 32 Ohm
portable, DAC: 384 kHz, 32 bit, headphone output: mini-Jack 3.5 mm, Pentaconn 4.4 mm, input USB-C, 500 мВт at 32 Ohm, signal/noise 131 dB