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NICEHCK SP4 USB C IEM Cable with Mic & CX31993 DAC Chip – High-Resolution Audio Upgrade for Audiophiles
The NICEHCK SP4 USB C IEM Cable is a game-changing accessory for music lovers who want to enjoy high-fidelity audio directly from their smartphones, tablets, or laptops.1 Unlike standard upgrade cables that require an external dongle, the Nicehck SP4 integrates a high-performance CX31993 DAC chip directly into the USB-C connector.2 Nicehck SP4 allows you to connect your favorite 2-pin in-ear monitors (IEMs) to modern devices like the iPhone 15/16 series or Android phones without sacrificing sound quality or dealing with bulky adapters.3
Crafted with a premium hybrid of 4 strands of Oxygen-Free Copper (OFC) and silver-plated OFC, the SP4 ensures exceptional signal transmission.4 Nicehck SP4 combination enhances the three main frequencies—providing tight, controlled bass, clear mids, and sparkling trebles.5 The cable is also equipped with a high-definition in-line microphone and a 3-button controller, making it perfect for high-quality calls, voice chats, and controlling your music on the go.6 Whether you are gaming or commuting, the SP4 delivers a pure, noise-free listening experience that honors the original recording.
Key Features
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Integrated CX31993 DAC: Built-in high-performance digital-to-analog converter supports high-resolution audio up to 32bit/384kHz.7
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Hybrid Wire Construction: Uses 4 strands of high-purity Oxygen-Free Copper mixed with Silver-plated OFC for a balanced and detailed sound profile.8
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HD In-line Microphone: High-sensitivity microphone ensures crystal-clear voice transmission for phone calls and online gaming.9
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3-Button Control: Easily adjust volume, skip tracks, and answer or end calls without touching your device.10
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Premium Connectors: Features 0.78mm 2-pin connectors (standard) and a durable aluminum alloy USB-C plug housing for long-term reliability.11
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Low Noise Floor: With an SNR of 124dB, the SP4 provides a dark, hiss-free background even with sensitive IEMs.
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Universal USB-C Compatibility: Seamlessly works with iPhone 15/16, iPad Pro, MacBook, Samsung Galaxy series, and most Android smartphones.12
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Tangle-Resistant Braid: The flexible and lightweight braided design prevents annoying tangles and ensures comfort during extended use.13
Product Specifications
| Specification | Details |
| Brand | NICEHCK |
| Model | SP4 |
| DAC Chip | CX31993 High-Performance |
| Sampling Rate | 32bit / 384kHz |
| SNR / DNR | 124dB / 111dB |
| THD+N | -95dB |
| Plug Type | USB Type-C |
| Connector | 0.78mm 2-Pin (Universal) |
| Conductor Material | 4 Strands OFC + Silver Plated OFC Mixed |
| Cable Length | Approx. 1.25m |
| Microphone | Yes (HD In-line with 3-button control) |
| Output Power | 31mW @ 32Ω |
What’s Inside the Box
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1 x NICEHCK SP4 USB C IEM Upgrade Cable
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1 x Cable Wrap / Strap
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Product Documentation
FAQs (Product Related)
Q1: Will this cable work with my iPhone 15 or 16? A1: Yes, the SP4 features a standard USB-C plug and a built-in DAC chip that is fully compatible with the iPhone 15 and 16 series.
Q2: Does the microphone work for gaming on a PC? A2: Yes, the HD microphone is recognized by Windows and macOS as a standard audio input device, making it ideal for Discord or in-game chat.
Q3: Can I use this with any IEM? A3: The cable uses a standard 0.78mm 2-pin connector, which fits the vast majority of popular IEMs from brands like Tangzu, Moondrop, KZ, and 7Hz.
Q4: Do I need to install any drivers to use the DAC? A4: No, it is a plug-and-play device. Your smartphone or laptop will automatically detect the CX31993 DAC once plugged in.
Q5: Will it improve the sound quality of my existing earphones? A5: Yes, the silver-plated hybrid wire and the high-resolution DAC chip typically provide better clarity and a wider soundstage compared to standard stock cables or basic 3.5mm adapters.
Why Buy from GearyBD?
Q1: Are your products 100% original? A1: Absolutely. GearyBD guarantees that all NICEHCK products are 100% authentic and sourced directly from official distribution channels.
Q2: How fast can you deliver within Dhaka? A2: We offer lightning-fast delivery within Dhaka, typically arriving at your doorstep within 24 to 48 hours.
Q3: Do you offer a replacement warranty? A3: Yes, we provide a replacement warranty for manufacturing defects to ensure our customers have peace of mind with every purchase.
Q4: Is Cash on Delivery available? A4: Yes, we offer Cash on Delivery (COD) across all districts in Bangladesh for your convenience.
Q5: Can I get technical help with my IEM setup? A5: Our team of audio enthusiasts is always ready to assist you via chat or phone to help you choose the best cable or accessories for your setup.