---
product_id: 580463007
title: "[Upgraded] VFD Audio Spectrum Analyzer Bluetooth 5.0 Receiver 3.5mm AUX Selector (Black)"
brand: "douk audio"
price: "1866 kr"
currency: NOK
in_stock: true
category: "Douk Audio"
url: https://www.desertcart.no/products/580463007-upgraded-vfd-audio-spectrum-analyzer-bluetooth-5-0-receiver-3
store_origin: NO
region: Norway
---

# ±3ppm ultra-precise clock 25×15 high-res VFD display Bluetooth 5.0 + 2 AUX inputs [Upgraded] VFD Audio Spectrum Analyzer Bluetooth 5.0 Receiver 3.5mm AUX Selector (Black)

**Brand:** douk audio
**Price:** 1866 kr
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your audio game with precision and style — don’t just hear it, see it!

## Quick Answers

- **What is this?** [Upgraded] VFD Audio Spectrum Analyzer Bluetooth 5.0 Receiver 3.5mm AUX Selector (Black) by douk audio
- **How much does it cost?** 1866 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/580463007-upgraded-vfd-audio-spectrum-analyzer-bluetooth-5-0-receiver-3)

## Best For

- douk audio enthusiasts

## Why This Product

- Trusted douk audio brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Visualize Your Sound Like a Pro:** High-res VFD screen delivers crystal-clear frequency band accuracy for every beat.
- • **Precision Timekeeping Meets Style:** Built-in RX8025T crystal oscillator ensures clock accuracy within 1 minute per year—because timing is everything.
- • **Customizable Display for Your Vibe:** Adjust brightness, gain, peak hold, and choose from 5 spectrum modes & 2 clock styles with power-off memory for hassle-free use.
- • **Seamless Multi-Source Audio Control:** Bluetooth 5.0 plus dual 3.5mm AUX inputs let you effortlessly switch between devices without missing a note.
- • **Sleek, Durable Design with Remote Ease:** CNC aluminum & acrylic case fits any modern workspace, while remote control puts full customization at your fingertips.

## Overview

The [Upgraded] VFD Audio Spectrum Analyzer Bluetooth 5.0 Receiver combines a high-resolution 25×15 VFD display with Bluetooth 5.0 and dual 3.5mm AUX inputs for versatile audio source management. It features a highly accurate built-in clock (±3ppm), customizable visual spectrum modes, and adjustable settings saved via power-off memory. Encased in a sleek CNC-machined aluminum and acrylic shell, it includes remote control for effortless operation, making it a compact, stylish, and precise tool for audio enthusiasts and professionals alike.

## Description

Warm Tips: 1. 3.5mm AUX1 and 3.5mm AUX2 cannot input at the same time, only one audio source channel (MIC / Bluetooth / IN1 / IN2) can input at a time. Parameters: Display screen: VFD (Vacuum Fluorescent Display) Resolution: 25 × 15 Frequency range supported: 80Hz-16KHz Display item: music spectrum / clock Audio signal input: MIC / Bluetooth 5.0 / 2 groups of 3.5mm AUX Audio signal output: 1 group of 3.5mm AUX Work mode: 1. Auto mode (display music spectrum when music input, display clock mode when no music input) 2. Clock display mode (always) Clock display: 2 kinds Music spectrum display: 5 kinds Music display mode: AGC+customized output curve (Real output / Smooth output) Adjustable items: main light column falling speed / peak holding time / peak falling speed Brightness adjustment: 5 levels+auto adjustment Gain adjustment: 5 levels Power-off memory function: support Remote control: support Working voltage: DC 5V Dimensions (W*D*H): 184*75*66mm / 7.24*2.95*2.60in Net weight: 322g / 0.71lb Package weight: 500g / 1.10lb Packing List: 1× VFD253 Audio Spectrum 1× USB Cable (Type-C) 1× Remote Control 2× Pad (stick to the bottom) 1× User Manual

## Features

- VFD253 integrates mutiple functions into a whole: As an audio spectrum analyzer: adopts dedicated green VFD display screen with 25 × 15 high resolution, guarantee the accuracy of each frequency band.
- As a Bluetooth receiver and audio switcher: besides microphone pickup, also with Bluetooth 5.0 and 2 groups of 3.5mm AUX input, works perfectly with your phone/PC/game player/amplifier/speaker etc. As a high-precision clock: using RX8025T built-in crystal oscillator whose clock accuracy is ±3ppm, year error within 1 minutes, very cool and interesting.
- Wide frequency range & special AGC display: 80Hz-16KHz frequency sweep, high-precision display even can do frequency point test. Speical AGC algorithm and customized output curve, ensure ideal visual effects even the input signal is in a small to large range, avoid that no display when input low and display in full screen when input high.
- Many adjustable items & display effects: gain, brighntness, falling speed of main light column, holding time and falling speed of the peak can be adjusted separately. 5 music spectrum display mode and 2 clock display mode, all settings with power-off memory function, no need to set again after restarting.
- Attractive looking and convenient use: with remote control, easy to adjsut all settings and see the music level status in real time and every slight change of sound.CNC machined aluminum and transparent acrylic case, both solid and beautiful, compact design not occupy your desktop space.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CFD69C56 |
| Audio Output Mode | Stereo |
| Audio Output Type | Speakers |
| Best Sellers Rank | #661,592 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #1,041 in Alarm Clocks |
| Brand | Douk Audio |
| Built-In Media | 1*audio spectrum; 1*usb cable; 1*remote |
| Color | Black |
| Compatible Devices | Amplifier, Preamplifier |
| Connectivity Technology | Auxiliary |
| Connector Type | 3.5mm Jack |
| Control Method | Remote |
| Controller Type | Hand Control |
| Customer Reviews | 4.0 4.0 out of 5 stars (62) |
| Item Dimensions D x W x H | 2.6"D x 7.24"W x 2.6"H |
| Item Weight | 322 g |
| Manufacturer | Douk Audio |
| Mfr Part Number | VFD253 |
| Model Number | VFD253 |
| Number of Channels | 2 |
| Number of Items | 1 |
| Other Special Features of the Product | Built-In Bluetooth |
| Supported Internet Services | Not Supported |
| Surround Sound Channel Configuration | 2 |
| Warranty Description | 18-Month Limited Warranty |
| Wireless Technology | Bluetooth |

## Product Details

- **Audio Output Mode:** Stereo
- **Brand:** Douk Audio
- **Color:** Black
- **Compatible Devices:** Amplifier, Preamplifier
- **Connectivity Technology:** Auxiliary
- **Connector Type:** 3.5mm Jack
- **Controller Type:** Hand Control
- **Product Dimensions:** 2.6"D x 7.24"W x 2.6"H
- **Special Feature:** Built-In Bluetooth
- **Surround Sound Channel Configuration:** 2

## Images

![[Upgraded] VFD Audio Spectrum Analyzer Bluetooth 5.0 Receiver 3.5mm AUX Selector (Black) - Image 1](https://m.media-amazon.com/images/I/61QvmJ707CL.jpg)

## Available Options

This product comes in different **Color** options.

## Frequently Bought Together

- [Upgraded] VFD Audio Spectrum Analyzer Bluetooth 5.0 Receiver 3.5mm AUX Selector (Black)
- BESIGN Ground Loop Noise Isolator for Car Audio/Home Stereo System with 3.5mm Audio Cable
- 3.5mm Angle Male to Female Audio Adapter, 90 Degree Right Angle Gold-Plated TRS Stereo Jack Plug AUX Connector Compatible with Headset, Tablets, MP3 Players, Game Controller, Speakers(2 PACK)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.no/products/580463007-upgraded-vfd-audio-spectrum-analyzer-bluetooth-5-0-receiver-3](https://www.desertcart.no/products/580463007-upgraded-vfd-audio-spectrum-analyzer-bluetooth-5-0-receiver-3)

---

*Product available on Desertcart Norway*
*Store origin: NO*
*Last updated: 2026-09-17*