
Manufacturer part no. A149
Listed by m5stack at €5.16. Delivered to France, including shipping, VAT and any customs duty, it comes to about €24.19. Prices last checked on 2026-09-16.
Delivered cost is an estimate for a single item shipped to mainland France; the seller's checkout is authoritative.
| Item | €5.16 |
|---|---|
| Shipping | €15.00 |
| VAT (20%) | €4.03 |
| Total delivered | €24.19 |
Estimate for a single item delivered to mainland France, shipped from outside the EU: customs duty and clearance fees may apply and are charged by the carrier.

Lot A149 France coin daté N°512 Pétain (**)
sold by patrickbonnel · ships from FR
€1.00
€3.00 delivered

Postcard Cpa - Strasbourg - La Marseillaise / A149
Used · sold by retropostcardshop · ships from FR
€2.00
€3.50 delivered

1977 timbres préoblitérés série du n° 146 a 149 neuf **
sold by 2010vineuse · ships from FR
€2.00
€3.70 delivered

Carte Postale de Fernand Gravey A149
Used · sold by indo52-2009 · ships from FR
€2.00
€4.02 delivered

A149 - LETTRE DE MORHANGE DU 04/10/86 - LA NATURE
sold by 2015jeanmarie · ships from FR
€2.00
€4.10 delivered

République Dominicaine A- 149/50 1962 Café Cacao MNH
sold by segells · ships from ES
€1.35
€8.85 delivered
Third-party listings on eBay, matched to this product by its part number or title. Robotitem neither sells nor warrants these items: condition, stock and lead times are the seller's, and a listing disappears once sold. Delivered cost includes the seller's actual shipping.
| Weight | 22 g |
Description Atomic Voice Base is a voice recognition base designed specifically for the M5 Atom series hosts. It integrates the ES8311 mono audio decoder, MEMS microphone, and NS4150B power amplifier. The ES8311 provides 24-bit audio resolution and a sampling rate of 16KHz to 64KHz, supporting I2S communication and high-fidelity audio processing. The MEMS microphone with high signal-to-noise ratio and digital output is suitable for automatic voice recognition, while the built-in speaker ensures efficient audio output. The device supports full-duplex communication, allowing simultaneous sound transmission and reception, enhancing interactive functions such as voice recognition, wake-up, and recording playback, making it ideal for applications in smart homes and education. Features Compatible with M5 Atom series hosts Voice recognition Mono audio codec MEMS microphone Class D amplifier Speaker Development platforms UiFlow1 UiFlow2 Arduino IDE Includes 1 x Atomic Voice Base Applications AI voice recognition interaction systems Smart home control Specifications Specification Parameters Audio Codec ES8311: 24-bit resolution, I2S protocol MEMS Microphone MSM381A3729H9BPC, SNR: ≥65 dB Power Amplifier NS4150B: Class D power amplifier Speaker 2014 cavity speaker: 1W@8Ω Standby Current DC3.3V/3.36mA Operating Current DC3.3V/14.84mA Operating Temperature 0 ~ 40°C Product Size 24.0 x 24.0 x 14.1mm Product Weight 6.5g Package Size 85.0 x 65.5 x 15.0mm Gross Weight 12.5g Learn and Documents → DOCUMENTS