Simplefly
Simplefly Analog Dual-Channel 24bit/192kHz AD/DA Converter USB-C Audio Interface w/ 48V Phantom Power Supply & Loopback Function - SF2403
Simplefly Analog Dual-Channel 24bit/192kHz AD/DA Converter USB-C Audio Interface w/ 48V Phantom Power Supply & Loopback Function - SF2403
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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.













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RETURNS
Returns Policy
You may return most new, unopened items within 150 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
SHIPPING
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.