# Power Adapter BLOW 3833# 9V 500mA DC, 2.1/5.5 mm, center negative

**URL:** https://aio.lv/en/product--blow-3833--11368918
**Data updated:** 2026-03-07 20:00 (EET)
**Category:** Portable Device Chargers
**Manufacturer:** BLOW
**Manufacturer code:** 3833#
**EAN:** 5900804102830
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 9.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 8.26 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blow-3833--11368918

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

Mains-powered switching power supply BLOW 3833# providing 9 V DC at 500 mA with a 2.1/5.5 mm barrel connector and center-negative polarity. Designed to power compatible audio, effects pedals, routers and small electronic devices requiring stable 9V/500mA input. Compact adapter for household and workshop use where regulated low-voltage DC is needed.

## Long description

BLOW 3833# power adapter supplies a regulated 9 V DC output at 500 mA through a standard 2.1/5.5 mm barrel connector with center-negative polarity. This compact mains-powered switching supply is intended to deliver stable low-voltage DC for audio equipment, guitar and effects pedals, small routers, and other small electronic devices that require a 9 V/500 mA source. The adapter is suitable for everyday home and workshop use where a consistent regulated output is needed to ensure reliable device operation.
Advantages
The adapter provides a stable regulated 9 V output with up to 500 mA current, reducing voltage fluctuations that can affect sensitive electronics. Its switching design offers improved energy efficiency and smaller size compared with linear adapters. The widely used 2.1/5.5 mm barrel connector with center-negative polarity ensures compatibility with many audio devices and pedals. The compact form factor makes it easy to install in pedalboards, behind equipment racks, or near routers and other small devices.
Suitable for
 Guitar and effects pedals that require 9 V with center-negative polarity
 Small audio devices and preamps
 Compact routers and network equipment with 9 V input
 Small electronic projects and devices requiring regulated 9 V/500 mA
Key specifications
 Output voltage: 9 V DC (regulated)
 Maximum output current: 500 mA
 Connector type: 2.1/5.5 mm barrel plug
 Polarity: center-negative
 Power supply type: switching mains adapter
 Recommended application: low-voltage DC devices and audio equipment
How to use
Connect the adapter to a suitable mains outlet using the integrated mains plug or supplied cable, then insert the 2.1/5.5 mm barrel connector into the device's DC input jack making sure the device expects center-negative polarity and a 9 V/500 mA supply. Power the adapter only into devices whose voltage and polarity match the adapter specifications. For continuous operation, ensure adequate ventilation around the adapter and avoid covering it to prevent overheating.
Usage recommendations
Verify the target device's required voltage, polarity and current draw before connecting. If multiple pedals or devices are used, ensure the total current demand does not exceed 500 mA. Use short, well-shielded cables for audio applications to reduce noise. Unplug the adapter during lightning storms or long periods of non-use to protect connected equipment.

## FAQ

### How much does the Power Adapter BLOW 3833# 9V 500mA cost, and is it available for purchase?

The price is 9.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 639 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 08.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All BLOW products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized BLOW service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11368918/65857113_large.webp