Can use the computer USB port 5V power supply or using a mobile phone charger USB port 5V power supply
Battery power can also be used
High efficiency: 90%
Can provide 3W (left channel) + 3W (right channel) output power in the 4Ω load and 5V power supply conditions
A class, B class amplifier such efficiency is only about 30%
D class amplifier is highly respected today
D class amplifier efficiency is extremely high, not because of temperature affect the sound quality
But do not add heat sink and take less space noise cancelling circuit was built in the amplifier board
Power on / off without pop noise
Module has a short-circuit current protection and over-temperature protection
Operating Voltage: 2.5V ~ 5.5V
Speaker With: 4Ohm ~ 8Ohm (recommended: 4Ohm)
Speaker Power: 2W ~ 8W
Size: 21 x 18 x 3.4mm (L x W x H)
Net Weight: 1g
LCD TVs, monitors
Portable DVD players, game consoles
Phone / speakerphone
First turn OFF and then powered speakers , or likely to cause damage to the chip;
Because digital volume control module has a great gain , so do not let too much leaving the audio signal input signal cut limiter.
Claim orders from Stores
You can claim your purchased items within 1 - 2 work days after making an order (if product is in local warehouse).
Please wait for an email notification regarding Your order status update.
Vilnius Store address: Vytenio g. 20, LT-03229 Vilnius, Lietuva
Kaunas Store address: Pramonės pr. 4D, LT-51329, Kaunas, Lietuva
Purchased items are delivered locally through Venipak service. Depending on availability of items, orders are processed within 1-3 work days. Orders made until 1AM are shipped the same day.
Local delivery (1-2 w.d.) price for items of any size is through through courier service is 4€ (incl. VAT).
Local delivery price to Omniva parcel terminals (1-3w.d.) is 3€ incl. VAT.
Payment on delivery +2€ (incl. VAT).
You can pay for the goods at the time of delivery to the courier in cash or by credit card. Payment to Omniva parcel terminals is only possible by bank card.
International delivery pricing through courier service
International shipping prices depend on geographic location:
Latvia - 5€ (incl. VAT)
Estonia - 6€ (incl. VAT)
other - negiotiated individually.
International delivery pricing to Omniva parcel terminals
Latvia - 4€ (incl. VAT)
Estonia - 5€ (incl. VAT)
We accept payments via PayPal for orders over 20€.
Paid orders of more than 30€ are shipped for free to Baltic countries.
Product availability status:
Vilnius Store In Stock - the product is at the store, Vytenio str. 20 in Vilnius and can be picked up / purchased the same day;
Kaunas Store In Stock - the product is at the store, Pramonės pr. 4D in Kaunas and can be picked up / purchased the same day;
Central Warehouse In Stock - In stock, product will be shipped in a short time 1-2 work days;
1-2 work days - product will be shipped in a short time - 1-2 business days;
1-2 work days – we don’t have selected product in stock. Shipping time is only 1-2 work days;
3-5 work days – we don’t have selected product in stock. Shipping time is between 3-5 work days;
3-7 work days – we don’t have selected product in stock. Shipping time is between 3-7 work days;
Out of Stock – selected product is sold out at the moment, but you can apply for automatic alert by email when product will be in stock.