everytime I switch it on I have to go through the set up stage, language, and time... ect. I it won't save it!! any help pleass

Pull the stereo out, and disconnect the yellow and red wires using their mid-wire connectors near the end of the wire loom, connect the red to yellow and vice versa. This should stop happening then.

I already have a microphone installed neatly into my car. The microphone has a 2.5 mm jack. Will it connect into this unit?

Well yes it has a standard microphone jack at the back .

I preset phone numbers in the radio and everyone I take it out and put it back there not saved. Any ideas why

You have to make sure that you have a permanent live connected to the radio seperate to the ignition controlled supply. It should be detailed in the wiring instructions in the manual for the radio. Hope this helps.

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DEH-S420BT 1-DIN CD Tuner with Bluetooth, USB, Spotify, Pioneer Smart Sync App and compatible with Apple and Android devices.

Product ID: 157964906

Details

Audio encoding
Stereo
Audio output mode
Stereo
Brand
PIONEER
Compatible devices
Smartphone
Connectivity technology
USB
Connector type
USB

🎵13-band Graphic EQ

📱Dual Bluetooth pairing

🔊50W x4 MOSFET amp

HK$1751

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Description

🚗 Elevate your drive with Pioneer’s ultimate sound command center!

VERSATILE MEDIA ACCESS - Enjoy your favorite CDs, FLAC files, Spotify streaming, and AUX input—all integrated into one sleek 1-DIN unit designed for modern drivers.
POWERFUL AUDIO AMPLIFICATION - Experience crystal-clear sound with a built-in 50W x 4 MOSFET amplifier that delivers rich, immersive audio on every drive.
CUSTOMIZABLE SOUND EXPERIENCE - Fine-tune your music with a 13-band Graphic EQ and Advanced Sound Retriever technology for studio-quality playback.
SEAMLESS DUAL BLUETOOTH CONNECTIVITY - Connect two smartphones simultaneously for hands-free calls and wireless music streaming without missing a beat.
UNIVERSAL COMPATIBILITY SMART SYNC - Effortlessly control your iPhone or Android device via USB or Bluetooth using the Pioneer Smart Sync app for next-level in-car entertainment.

The Pioneer DEH-S420BT is a high-performance 1-DIN car CD tuner featuring a 50W x 4 MOSFET amplifier, dual Bluetooth connectivity for hands-free calling and audio streaming, and a 13-band Graphic EQ for personalized sound. Compatible with Apple and Android devices, it supports USB, AUX, Spotify, and FLAC playback, all controllable via the Pioneer Smart Sync app. Designed for seamless integration with steering wheel controls and Alexa readiness, this unit transforms your vehicle into a premium audio hub.

Specifications

ASIN	B07X7HX2S7
Audio Encoding	Stereo
Audio Output Mode	Stereo
Audio Output Type	Bluetooth, RCA, Speakers
Best Sellers Rank	35,533 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 647 in Car Stereos
Box Contents	Headunit, Front Pouch, Wiring Harness, Manuals, Release Keys, BT Mic Kit, Fitting Cage, Fitting Trim Surround
Brand Name	PIONEER
Colour	black White
Compatible Devices	Smartphone
Connector Type	USB
Control Method	App
Controller Type	iOS
Country of Origin	China
Customer Reviews	4.4 4.4 out of 5 stars (861)
Format	CD
Global Trade Identification Number	04988028433993
Item Dimensions D x W x H	16.5D x 18W x 5H centimetres
Item Type Name	Car CD Player
Item Weight	1.39 Kilograms
Manufacturer	Pioneer
Manufacturer Part Number	DEH-S420BT
Model Number	DEH-S420BT
Network Connectivity Technology	USB
Number of Channels	4
Number of Items	1
Other Special Features of the Product	Android Control, Built-In Bluetooth, CD Player, iPhone Control
Output Power	50 Watts
Output Wattage	200 Watts
Product Warranty	1 Year
Software Update Supported to Date	unknown
Supported Internet Services	Spotify
Surround Sound Channel Configuration	5.1
Total HDMI Port	1
Video Encoding Format	RM
Wattage	200 watts
Wireless Technology Type	Bluetooth

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HK$1751

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hong Kong.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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