Audio Specification
Driver Type: Dynamic
Frequency Range: 54 Hz – 20,000 Hz
Drivers: 1 ? 3″ Woofer, 2 ? 1.75″ Wide-Band Drivers
Stereo/Mono: Stereo
Maximum Sound Pressure Level: 86 dB SPL @ 1 m
Cabinet Principle: Sealed with Passive Radiator
Sound Technology: True Stereophonic 360°
Equaliser: Yes
Power Amplifiers
Woofer Amplifier: 1 ? 65 W Class D
Wide-Band Driver Amplifiers: 2 ? 31 W Class D
Connectivity
Wireless Connectivity: Bluetooth 5.3, Auracast™
Bluetooth Range: 10 m
Supported Audio Codecs: SBC, LC3, MPEG-2 AAC
Bluetooth Multipoint: Yes
Wired Connectivity: AUX 3.5 mm, USB-C
USB-C Output: 5 V / 3 A
Mobile App Compatible: Yes
App Name: Marshall Bluetooth App
App Functionality: Sound Customisation, Bass and Treble Adjustment
Battery
Battery Type: Rechargeable, Replaceable Lithium-Ion Battery
Playtime: 40+ Hours
Quick Charging: 20 Minutes of Charging for 7 Hours of Playback (with a 30 W USB-C PD Charger)
Recharge Time: Less than 3 Hours (with a 30 W USB-C PD Charger)
Replaceable Battery: Yes
Battery Preservation: Yes
Power
Power Input: USB-C 9 V / 3 A, 5 V / 3 A
Physical
Color: Black and Brass, Cream
Dimensions (W ? H ? D): 162 ? 180 ? 74 mm
Weight: 1.3 kg
Water and Dust Resistance: IP55
Materials: 27% Recycled Materials
Repairability: Yes
Country of Origin: Designed and Engineered in Sweden
Controls
Top Panel Controls: Bass, Treble, Volume, Power On/Off, Media Jog, M-Button, Bluetooth Button
https://www.marshall.com/us/en/product/stockwell-iii?pid=1008240
