Jensen JSB-550

bgn (N150)
Alexa Enabled Bluetooth/WiFi Wireless Stereo Smart Speaker
3rd Party Firmware
dd-wrt	Status Unknown
OpenWrt	Status Unknown
Tomato any flavor	Incompatible
Platform
Brand • Model • Rev	Jensen JSB-550
FCC ID	LMZ-31324GC
Type	wireless speaker system, audio streamer
CPU1	MediaTek MT7688A
CPU1 Type	MIPS 24KEc
CPU1 Speed	580 MHz
Flash1 Chip	Brand? Model?
Flash1 Size	? MiB
RAM1 Size	? MiB
RAM1 Chip	Brand? Model?
802dot11 OUI: none specified
Expansion IF types	none specified
Power	12 VDC, 2 A
Connector type	barrel
Flags: Bluetooth 2.1 + EDR, Audio in (3.5mm), Alexa
Additional chips Bluetooth V2.1 + EDR Single Chip;MediaTek;MT6622N;;1;
Retail
FCC approval date	25 September 2017
Country of manuf	China
Radio 1
Radio1 module	Linkplay A31
Radio1 module IF	unknown
Chip1	MediaTek MT7688A
Wireless interface OUI	none specified
Antenna Connector Type	none specified
MIMO status	1x1:1
Wireless Standard	IEEE 802.11b/g/n
802.11n	up to 150 Mbps
802.11g	up to 54 Mbps
802.11b	up to 11 Mbps
WiFi Operating Frequency	2.4 GHz

For a list of all currently documented MediaTek chipsets with specifications, see MediaTek.

• 150 Mbps - 1SS 2.4GHz 802.11n (40MHz chan.) = N150 class

Overview

• "Linkplay A31 V04" is silkscreened on the CPU module in the FCC photos.
• "CDTECH BTA6622-03" is silkscreened on the Bluetooth module.
• "C02 V02 Linkplay" is silkscreened on the Voice control module.

FCC external photos and test report documents suggest additional branding:

• BUSH B100ALF - BUSH Speaker with Amazon Alexa
• iStation23AC - Amazon Echo Multi-room Hi-Fi Speaker System

Linkplay Wireless Speaker Modules

• Linkplay A28 - Wi-Fi Speaker Module (MediaTek MT7628A)

802.11bgn 2T2R (300Mbps), Analog audio output

• Linkplay A31 - Wi-Fi Speaker Module (MediaTek MT7688A)

802.11bgn 1T1R (150Mbps), Digital audio input/output

See also

• Jensen JSB-1000 - Hi-Res Wireless Speaker with Chromecast Built-In • Best Buy
• Toshiba TY-GC1000 - Bluetooth Speaker with Chromecast Built-in