The Simplefly SF2403 Portable Dual-Channel Audio Interface is a versatile and high-performance audio solution, designed to deliver exceptional sound quality and ease of use for recording and playback. Whether you're recording vocals, instruments, or mixing audio, this compact interface offers everything you need for professional results.

Features

High-Resolution Audio: Supports 24-bit/192kHz stereo audio recording and playback, ensuring pristine sound quality with low-noise, high-performance audio codecs and a custom balanced differential amplification circuit.

Dual Input Channels: Includes two 6.35mm TRS input interfaces, allowing simultaneous connection of microphones, instruments, or balanced audio inputs. Both channels offer individual gain knobs for precise adjustments.

48V Phantom Power: Built-in phantom power (48V) supports condenser microphones, providing consistent and reliable power for high-quality recordings.

Loop Mode: Ideal for seamless multi-source audio processing, with a loop function for internal recording.

Portable Design: Ultra-compact (123mm x 54mm x 35mm) and lightweight (153g), making it easy to take anywhere for on-the-go recording or performance setups.

Versatile Connectivity: Features two balanced 6.35mm line outputs for monitor speakers, and a 3.5mm headphone output for real-time audio monitoring.

Low Latency Performance: Ensures near-zero latency for a smooth, uninterrupted recording experience.

Cross-Platform Compatibility: Supports Mac, Windows, Android, and iOS systems, making it a flexible choice for various devices and workflows.

Whether you're a musician, podcaster, or content creator, the Simplefly SF2403 Audio Interface is the perfect portable companion for capturing studio-quality sound on the go.

Specifications

Model: SF2403

Line Inputs: 2 (6.35mm)

Line Outputs: 2 (6.35mm)

Headphone Output: 1 (3.5mm)

Synchronous Input/Output: 2 / 2

Power: USB 2.0 Type-C DC 5V

Sampling Rate: 24bit / 192kHz

Phantom Power: 48V (shared by both input channels)

Loop: Internal Recording

Clock Source: Built-in low jitter active crystal oscillator

Supported Sample Rates: 44.1kHz / 48kHz / 88.2kHz / 96kHz / 176.4kHz / 192kHz

Supported Bit Depths: 24bit / 16bit

Supported Systems: Mac / Windows / Android / IOS

Dimensions: 123mm * 54mm * 35mm

Weight: 153g

Microphone/Line In Input 

Dynamic Range: 110dB (A-weighted)

Frequency Response: 20Hz-20kHz ± 0.2dB

THD+N: <0.002%

Maximum Input Level: +8dBu at Minimum Gain

Gain Range: +4~60dB

Input Impedance: 100Ω

Instrument Input

Dynamic Range: 107dB (A-weighted)

Frequency Response: 20Hz~20kHz ± 0.2dB

THD+N: <0.002%

Maximum Input Level: +8dBu at minimum gain

Gain Range: +4 ~60dB

Input Impedance: 1MΩ

Line Out 1 & 2 (Balanced)

Dynamic Range: 109dB (A-weighted)

Maximum Output Level: +14.5dBu at maximum gain (balanced output)

THD+N (1+2): <0.008%

Output Impedance: 440Ω

Headphone Output

Dynamic Range: 109dB (A-weighted)

Maximum Output Level: +7dBu at maximum gain

THD+N (1+2): <0.008%

Output Impedance: <1Ω

Package Includes

1 x Simplefly SF2403 Audio Interface

1 x XLR Socket to 6.35mm Male Jack Adaptor

1 x USB-C Cable

1 x User Manual

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As an authentic Australian-based company, we take pride in offering quality instruments at prices significantly lower than traditional retail outlets. Each order is meticulously packaged to ensure a secure journey to your hands, reflecting our commitment to delivering exceptional value and service.