SLASH Hi-Fi Bluetooth/USB DAC | ESS DAC · LDAC · Studio Sound – DoBlue

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Global FedEx Shipping

Hi-Fi audio shipped worldwide in 3-5 business days.

Minimalist Design

Sleek yet powerful—built for audiophiles.

Studio-Grade Sound

High-resolution audio powered by LDAC and ESS DAC.

Made in Korea

Precision engineering and premium components.

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SHOP SLASH

Unsure where to start? Begin your journey here.

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SLASH 2 (Pure White)

SLASH 2 (Pure White)

$59.00 USD

$59.00 USD

SLASH 3 (Peacock Blue)

SLASH 3 (Peacock Blue)

$99.00 USD

$99.00 USD

SLASH 4 (Midnight Navy)

SLASH 4 (Midnight Navy)

$79.00 USD

$79.00 USD

SLASH 5 (Royal Navy)

SLASH 5 (Royal Navy)

$119.00 USD

$119.00 USD

SLASH 6 (Charcoal Grey)

SLASH 6 (Charcoal Grey)

$149.00 USD

$149.00 USD

SLASH 8 (Space Grey)

SLASH 8 (Space Grey)

$299.00 USD

$299.00 USD

Cable No. 1 - doblue

Cable No. 1

$45.00 USD

$45.00 USD

Cable No. 2 - doblue

Cable No. 2

$45.00 USD

$45.00 USD

Cable No. 3

Cable No. 3

$9.90 USD

$9.90 USD

Cable No. 4

Cable No. 4

$45.00 USD

$45.00 USD

Cable No. 5

Cable No. 5

$45.00 USD

$45.00 USD

Cable No. 6

Cable No. 6

$45.00 USD

$45.00 USD

Why Choose SLASH?

Trusted by Luxury Brands: Powers wireless audio in Chanel & Louis Vuitton Maison boutiques in South Korea.

100% Made in Korea: Engineered with 20+ years of high-end audio expertise for flawless 24/7 reliability.

Lossless Wireless Sound: Audiophile-grade Bluetooth DACs that bring studio clarity to any space.

Get Support from Us

SLASH8 Q&A (FAQ)

Q1: Does SLASH8 support LDAC and aptX Lossless?

A1: Yes. SLASH8 supports LDAC, aptX Lossless, aptX Adaptive, aptX HD, AAC, and SBC for true hi-res wireless audio up to 24-bit/192kHz.

Q2: Can I use SLASH8 as a USB DAC for my computer?

A2: Yes. SLASH8 functions as a USB DAC via USB-C, supporting up to 96kHz/24-bit with noise isolation for clean and stable performance.

Q3: What outputs does SLASH8 provide?

A3: SLASH8 includes 4.4mm balanced, RCA line out, optical (TOSLINK), and coaxial outputs — compatible with hi-fi systems, amplifiers, and studio gear.

Q4: Does SLASH8 work with vintage amplifiers?

A4: Absolutely. SLASH8’s RCA and coaxial outputs make it ideal for vintage and modern hi-fi amplifiers.

Q5: Can I connect headphones directly to SLASH8?

A5: No. SLASH8 is designed as a receiver/DAC for amplifiers and speakers, not as a standalone headphone amplifier.

Q6: What is the Bluetooth range of SLASH8?

A6: Up to 30 meters (100 feet) in open space with stable wireless performance using a 2.4GHz external high-gain antenna.

Q7: How does SLASH8 reduce noise from PC USB power?

A7: SLASH8 integrates advanced USB isolators that block ground loop and EMI/RFI noise, ensuring clean and precise sound.

Q8: Is SLASH8 suitable for studio use?

A8: Yes. With its ESS ES9038Q2M SABRE DAC and balanced outputs, SLASH8 delivers reference-grade performance for studio engineers.

Q9: What is included in the box?

A9: SLASH8 main unit, high-gain antenna, USB-C cable (A to C), RCA cable, optical cable, and user manual.

Q10: Where is SLASH8 made?

A10: SLASH8 is 100% engineered and manufactured in Korea with CNC aluminum housing and premium components.

Q11: Will I need to pay customs duties or import taxes?

Q: Will I have to pay import duties?

A: For customers in the USA, EU, and UK, we are pleased to offer 0% import duties thanks to international trade agreements (FTA/ITA).

Q: Is VAT/Tax included in the price?

A: Our product prices do not include local VAT, GST, or import taxes. Depending on your country's regulations (especially in the EU and UK), local VAT and carrier clearance handling fees may be applied upon arrival.

Q: Why is my order "Duty-Free"?

A: Our products fall under the HS Code (8517.62), which benefits from 0% customs duty rates in many regions including the US, EU, and UK. We handle all necessary documentation to ensure a smooth, duty-free transition through customs.

* Note: Import duties (0%), statutory local VAT/taxes, and courier clearance fees are the buyer's responsibility. Please check your local tax regulations before ordering.

Q12: How is shipping handled?

A12: All international orders are shipped via FedEx door-to-door service. Delivery usually takes 3–5 business days depending on the destination.

SLASH3/5/6 Q&A (FAQ)

Q: Which SLASH model is right for you?

SLASH 2: Best for Compact & Essential Wireless Hi-Fi Streaming (Entry-Level Pick)

SLASH 3: Best for Simple Home Stereo Upgrades

SLASH 5: Adds Noise Isolation, AUX Input & Headphone Amp

SLASH 6: Ultimate Flagship (USB DAC + Optical In/Out + Headphone)

Q: Does SLASH support Hi-Res Audio & Battery?

• Studio Quality: Supports LDAC, aptX HD & 24-bit/96kHz Hi-Res.

• Battery-Free: Requires constant 5V 1A USB power for pure audio performance.

Q: Sound from one side or distorted audio?

Tight Fit: Push RCA connectors firmly until fully seated.
Volume Tip: Start with your source volume at 100% for optimal signal. If you hear distortion or clipping from input overload, lower it to 80–90% and adjust listening volume directly on your amplifier.

Q: How to connect PC or USB storage?

• PC Connection: Plug & Play via USB-C on SLASH 6 (No drivers needed).

• USB Port: Designed for Bluetooth/USB DAC input only (Not for USB memory sticks).

Q: Best way to connect Apple TV or WiiM Amp?

• Apple TV: Connect via Optical In (SLASH 6) for Zero Audio Lag.

• WiiM Amp: Connect SLASH 6 Optical Out → WiiM Optical In (Set output to 24-bit/96kHz).

Q: How to use Headphones & MFB Button?

• Headphone Output: Plug into 3.5mm jack (SLASH 5 / 6).

• Easy Pairing: Press MFB button once on the back.

• LED Status: Blue = Ready / Green = Connected

Q: Quick Setup & LED Status Guide

• Instant Pairing: Press MFB button once on the back.

• Blue LED (Blinking): Ready to Pair / Standby

• Green LED (Blinking): Successfully Connected

Q: Can I connect multiple devices at once?

A: This device supports one-to-one pairing only. To connect a different device, disconnect the current one and pair again.

Q. Is SLASH6 USB DAC compatible with mac OS?

A. Yes! Simply connect via USB—your Mac will recognize it automatically, no drivers required.

Note: SLASH3 and 5 do not support USB DAC functionality.

Q. How do I connect an external DAC to the SLASH6?

A. Make sure your external DAC supports optical (Toslink) input.

Connect the SLASH6’s optical output to the DAC’s optical input.

The SLASH6 supports high-quality digital output at 24-bit / 96kHz.

Q. Will SLASH improve sound quality on a non-Bluetooth amp or low-spec audio receiver?

A. Yes. With high-resolution Bluetooth, premium DAC, and advanced
codecs, SLASH delivers cleaner, more dynamic sound you can clearly hear.

Q. Can I use SLASH with a tube amp, preamp, or vintage amplifier?

A. Yes. SLASH works great with tube amps, vintage gear, and preamps via RCA connection.

If your amp has wide RCA spacing, use the included adapter.

SLASH4 Q&A (FAQ)

Q: What cars is SLASH4 compatible with?

• Standalone Bluetooth: Works with any car that has a 3.5mm AUX input.

• Optical Option: Cars with advanced DSP can also utilize the Optical input.

Q: Supports Android Auto or CarPlay?

• Separate Use: We recommend using SLASH4 as a standalone Bluetooth device for optimal sound quality without interference.

Q: Use car's USB port for audio playback?

• Power Only: No. The USB port is for power supply only.

• Use AUX Cable: You must connect the included 3.5mm AUX cable for audio.

Q: Supports multipoint connection?

• Deliberate Design: No. To ensure High-Res stability and maximum bandwidth, SLASH4 supports only one-to-one pairing.

Q: Is the sound clean and noise-free in cars?

• Ground Loop Isolation: Yes. Built-in technology eliminates buzzing/humming often found in car audio systems.

Q: Remember the last connected device?

• Auto Reconnect: Yes. Automatically reconnects to the last paired device when powered on.

Q: Does SLASH4 support Hi-Res codecs (LDAC, aptX HD)?

• Studio Quality: Yes. Powered by Qualcomm QCC5125 chipset for 24-bit/96kHz sound.

Q: Does the sound get distorted at high volume?

• Anti-Distortion Design: Set your phone volume to around 80% to prevent input overload.

Q: Connected, LED on, but no sound?

• Common Issue: Unpair from car's hands-free. Ensure AUX cable is fully inserted (hear a "click").

Q: LED power light does not turn on?

• Power Check: Switch to a different USB port or charger to ensure proper power supply.

Q: Can I adjust volume on SLASH4 itself?

• No: SLASH4 has no volume control. Adjust via phone or car amplifier.

Q: How do I use the reset button?

• Quick Reset: Briefly press the reset button once (do not hold it down).

Q: Use at home audio, not just in a car?

• Versatile Use: Absolutely. Works with any amplifier or audio system. Just power via USB.

Q: Use with streaming apps & track info?

• Sound Focus: Track info is not currently supported on car monitors. Perfect for best-in-class audio streaming.