Slash4 Bluetooth DAC – LDAC, aptX HD/Adaptive, Optical, Headphone Amp, Car & Home Audio

Product Description

Perfectly Noise-Free with Precision Hardware Design

Most adapters suffer from noise. Ours features built-in ground loop isolation for clean, uninterrupted audio. Supports LDAC, aptX Adaptive/HD, AAC — delivering crystal-clear, low-latency sound in any environment.

Enhance Your Drive with Hi-Fi Bluetooth Seamless Wireless Audio

Instant pairing for easy setupClear, powerful sound with noise isolationAutomatically reconnects to your last device Experience High-Fidelity Audio – Anytime, Anywhere

ESS9219 DAC delivers 24-bit/96kHz high-resolution audioOptical input supports home amps, car DSPs, and headphonesNoise isolation minimizes interference for clear listening

SLASH4 – Hi-Fi Bluetooth Audio in Your Car

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. SLASH4 – Hi-Fi Bluetooth Audio in Your Car Merchant Video

“Simple to set up and the sound? Way above expectations.” — Verified Buyer

Wireless & Optical Audio

Upgrade Your Car & Home Audio Instantly

Upgrade your audio with high-resolution Bluetooth — perfect for car and home setups.

Advanced Noise Isolation

Pure Sound, No Distractions

Hear every detail — noise isolation keeps your music clear and undisturbed.

ESS Quad DAC Inside

24-bit/96kHz High-Resolution Audio

Powered by ESS9219 DAC, experience studio-level 24-bit/96kHz sound with stunning depth and clarity.

Auto-Reconnect Feature

Instant Pairing, Hassle-Free Playback

Connects instantly and remembers your last device — no setup, no hassle.

1 Hi-Fi Sound, Anywhere

2 Crystal-Clear Audio

3 Premium DAC Quality

4 Seamless Connectivity

Key Specs & Features

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. Device Compatibility One-to-one pairing with Auto-Reconnect for easy switching (no simultaneous connections).

Compare SLASH Models – Features & Specs

Add to Cart

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Add to Cart

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Customer Reviews

4.9 out of 5 stars 28

4.9 out of 5 stars 64

4.6 out of 5 stars 3

4.5 out of 5 stars 57

Price

$79.00$79.00

$99.00$99.00

$119.00$119.00

$149.00$149.00

Dimensions & colors

0.82″D x 2.83″W x 0.51″H/Navy

1.69″D x 1.73″W x 0.47″H/White

1.69″D x 1.73″W x 0.47″H/Navy

1.69″D x 1.73″W x 0.47″H/Navy

Bluetooth Version

Qualcomm QCC5125 (BT 5.1)

Qualcomm QCC5125 (BT 5.1)

Qualcomm QCC5125 (BT 5.1)

Qualcomm QCC5125 (BT 5.1)

Bluetooth Audio Codec

LDAC, aptX Adaptive/HD, AAC

LDAC, aptX Adaptive/HD, AAC

LDAC, aptX Adaptive/HD, AAC

LDAC, aptX Adaptive/HD, AAC

DAC Chip

ESS Quad DAC (ES9219)

ESS Quad DAC (ES9219)

ESS Quad DAC (ES9219)

ESS Quad DAC (ES9219)+USB DAC

USB DAC

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—

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96kHz/24bit USB DAC

Headphone Output

3.5mm(1.0Vrms)

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3.5mm(1.0Vrms)

3.5mm(1.0Vrms)

Optical I/O

Optical Out (3.5mm)

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—

Optical In & Out (3.5mm)

Isolator

Advanced Noise Isolator

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Ground Loop Isolation

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PCM Support

384kHz/32Bit Hi-Res PCM

384kHz/32Bit Hi-Res PCM

384kHz/32Bit Hi-Res PCM

384kHz/32Bit Hi-Res PCM

OP Amp(LPF)

Texas Instruments OPA1692

Texas Instruments OPA1692

Texas Instruments OPA1692

Texas Instruments OPA1642

Range & Power

15m (50 ft), USB-C (5V/1A)

15m (50 ft), USB-C (5V/1A)

15m (50 ft), USB-C (5V/1A)

15m (50 ft), USB-C (5V/1A)

Recommended For

Hi Fi Car & Home Audio

Hi-Fi, Vintage, Home Audio

Hi-Fi, Vintage, Home & Car

Hi-Fi & Professional Studio

[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]: One-to-one pairing with Auto-Reconnect, automatically reconnecting to the last paired device (no simultaneous connections).
[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.
[IMPORTANT] Before purchasing, check the A+ Content and ‘From the Brand’ FAQ for setup and compatibility details. Need help? Feel free to reach out!