Fast & Reliable Global Delivery

Hi-Fi audio shipped worldwide in 3-4 days via FedEx.

Innovative & User-Friendly Design

Powerful yet simple design for audiophiles.

Studio-Quality Sound

Crystal-clear, high-res sound with wired and wireless connectivity.

Engineered to Perfection in Korea

Premium craftsmanship, made in Korea.

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SLASH4

Name: SLASH4
Brand: DO
Price: 67.15 USD
Availability: InStock
Rating: 4.8 (25 reviews)

$67.15 USD

~~$89.00 USD~~ $67.15 USD

Shipping calculated at checkout

Slash4 Bluetooth DAC – LDAC, aptX HD/Adaptive, AAC, Optical, Noise Isolation, Car & Home

Enjoy high-fidelity Bluetooth sound with crystal-clear, lossless audio. Perfect for both car and home audio systems, delivering powerful and immersive sound. Experience seamless connectivity with LDAC, aptX Adaptive/HD, and AAC support.

Enhance Your Drive with Hi-Fi Bluetooth

Seamless Wireless Audio

Instant Connection: Upgrade your car audio with high-resolution Bluetooth in seconds.
Crystal-Clear Sound: Advanced noise isolation removes interference for pure, rich sound.
Auto-Reconnect: Effortlessly resumes playback with your last paired device.

Experience High-Fidelity Audio – Anytime, Anywhere

Hi-Res Sound Quality: ESS9219 DAC delivers 24-bit/96kHz high-resolution sound.
Versatile Connectivity: Optical input for car DSPs, home amps, and headphones.
Advanced Noise Isolation: Reduces power noise for clear, uninterrupted audio.

Wireless & Optical Audio

Upgrade Your Car & Home Audio Instantly

Hi Res Bluetooth audio for car & home. Enjoy premium sound with LDAC, aptX Adaptive/HD, and AAC.

Advanced Noise Isolation

Pure Sound, No Distractions

Crystal-clear sound with noise isolation, minimizing interference for uninterrupted listening.

ESS Quad DAC Inside

24-bit/96kHz High-Resolution Audio

Enjoy 24-bit/96kHz sound with ESS9219 Quad DAC, delivering audiophile-grade clarity and depth.

Auto-Reconnect Feature

Instant Pairing, Hassle-Free Playback

Automatically connects to your last device for smooth, effortless playback.

About this item

[Advanced Noise Isolation]: Blocks unwanted power noise for clear, uninterrupted sound in cars, home audio, and headphones.
[Premium Bluetooth Codecs]: Supports LDAC, aptX Adaptive/HD, and AAC for high-resolution wireless audio.
[Superior DAC Technology]: ESS Quad DAC ES9219 delivers 24-bit/96kHz high-fidelity sound.
[Ultra-Low Noise Operation]: LDO regulator minimizes background noise for distortion-free audio.
[Effortless Connectivity]: Automatically reconnects to the last paired device.
[Optical Input Support]: Compatible with car DSPs, home amplifiers, and headphone amps for enhanced sound.
[Compatibility Tip]: Best used as a standalone device. Android Auto and Apple CarPlay may affect audio quality.

Product Components

Dimensions	0.82"D x 2.83"W x 0.51"H (22mm x 72mm x13mm)
Advanced Noise Isolation	Blocks unwanted power noise for pure, uninterrupted audio in cars and homes.
Optical Output Support	Connects seamlessly to amplifiers and speaker systems for high-fidelity sound.
Powerful Headphone Amp	3.5mm Headphone Amp for Dynamic & Balanced Sound
LDO Noise Reduction	PCB design minimizes background noise for crystal-clear audio.
High-Performance Op-Amp	OPA1692 op-amp delivers precise sound with minimal distortion.

Hi-Res Bluetooth Audio	Features QCC5125 + ES9219 Quad DAC for premium wireless audio.
High-Resolution Streaming	LDAC, aptX HD, aptX Adaptive & More (24-bit Hi-Res)
Seamless Auto-Reconnect	Instantly reconnects to your last paired device for hassle-free playback.
LPF Noise Filtering	Removes unwanted noise for a clean and uninterrupted listening experience.
USB-A Power Supply	Provides stable and reliable power via USB-A.
Wireless Range	Stable Bluetooth Connection (Up to 15m/50ft)
Package Contents	Includes Slash4 Body, 3.5mm Cable, and User Manual.
Plug & Play for Car Audio	Plug into AUX, and it auto-reconnects when the engine starts.

Home Audio with Optical Input	Streams Hi-Res Bluetooth audio directly to your home system.

Our Premium Quality Audio Philosophy

We are committed to delivering the best Bluetooth audio quality by incorporating 10 years of real-world feedback from Slash customers. Our products are developed in collaboration with audio engineers who have over 20 years of experience and award-winning product designers. Crafted by these experts in Korea, the Slash series is a true reflection of premium audio mastery. You can enjoy it with complete confidence—100% made in Korea.

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SLASH4