# Boom arm König & Meyer 21140 Black 580g

**URL:** https://aio.lv/en/product--km-8km21140--11395093
**Data updated:** 2025-12-30 21:15 (EET)
**Category:** Microphones
**Manufacturer:** km
**Manufacturer code:** 8KM21140
**EAN:** 4016842209880
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 27.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 22.72 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--km-8km21140--11395093

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

The König & Meyer 21140 is a black boom arm designed for microphone use. Weighing 580g, it offers stability and flexibility for various audio setups. Its compatibility with König & Meyer products ensures a reliable performance for musicians and broadcasters alike.

## Long description

The König & Meyer 21140 is a two-piece telescopic boom arm in black, designed for microphone use. Weighing 580 g, it provides a stable, adjustable extension and is compatible with other König & Meyer mounting hardware. The arm features a 3/8" thread and comes complete with a locking washer and a plastic grip for secure attachment and handling.
Advantages
Smooth, silent and scratch-free adjustment is achieved thanks to the large wing nut. The telescopic two-piece design allows quick length changes while the 3/8" thread ensures broad compatibility with microphones and adapters. The included locking washer and plastic grip improve stability and ease of use during setup and operation.
Suitable for
Studio and live microphone mounting
Broadcasting and podcasting setups
Home recording and small rehearsal spaces
Use with microphone shock mounts and adaptors that accept a 3/8" thread
Key specifications
Model: König & Meyer 21140
Finish: Black
Weight: 580 g
Thread size: 3/8"
Configuration: Two-piece telescopic boom arm
Includes: Locking washer, plastic grip
How to use
Extend or retract the telescopic sections to the desired length and secure the position by tightening the large wing nut for a silent, scratch-free adjustment. Attach the microphone or adapter to the 3/8" thread and fit the locking washer to prevent loosening. Use the plastic grip when positioning the arm to avoid contact marks and ensure stable handling.
Usage recommendations
Check thread compatibility before mounting to ensure the microphone or adapter matches the 3/8" thread. Do not overtighten the wing nut; tighten firmly to secure the arm but avoid excessive force. Periodically inspect the locking washer and grip for wear to maintain reliable performance.

## Specifications

| Feature | Value |
|---|---|
| Brand compatibility | König & Meyer |
| Connecting thread | 3/8 |
| Product type | Boom arm |

### Other features

| Feature | Value |
|---|---|
| Weight | 0.58 kg |

### Performance

| Feature | Value |
|---|---|
| Product colour | Black |

## FAQ

### How much does the Boom arm König & Meyer 21140 cost, and is it available for purchase?

The price is 27.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 01.07.2026 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 km 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 km 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/11395093/66202699_large.webp