# SP-H21BK H21 Wireless Bluetooth Bookshelf Speaker Syst w/Versatile

**Manufacturer:** Microlab  
**MPN:** `H21BK`

The Microlab H21BK is a Bluetooth wireless speaker system featuring 36 watt output power and 2x 18 watt RMS distribution. It has a frequency range of 50 Hz to 20 kHz and includes a 1-inch tweeter drive unit and 3.5-inch woofer drive unit. The system connects via 2RCA input and terminal binding post output, and also features a USB charging port. The wooden cabinets and leather finishing add a premium touch.

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Microlab |
| Manufacturer name | Microlab |
| Manufacturer | Microlab, MICROLAB |
| CategoryId | 18835 |
| CategoryIdL1 | 15050 |
| CategoryIdL2 | 15131 |
| CategoryIdL3 | 18835 |
| CategoryL1 | Electronics |
| CategoryL2 | Networking & Server Management |
| CategoryL3 | Server Switches & Adapters |
| DimensionUnit | inch |
| GraingerSku | SP-H21BK |
| Extra Product Name | SP-H21BK H21 Wireless Bluetooth Bookshelf Speaker Syst w/Versatile |
| UPC | 878294032256 |
| WeightUnit | lbs |
| color | Black |
| jsonUrlData | 924526ffbdad25e5923b |
| moq | 1 |
| MPN | H21BK |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | -2 |
| SKU | G6334685 |
| snippet | H21 Wireless Bluetooth Bookshelf Speaker System w/ Versatile Connectivity & Real Wooden & Leather Finishing Cabinets (Black) |
| tierMinQty1 | 1 |
| tierPrice1 | 136.99 |
| url | https://www.zoro.com/microlab-sp-h21bk-h21-wireless-bluetooth-bookshelf-speaker-syst-wversatile-h21bk/i/G6334685/ |
| EAN | 878294032256 |
| Part Number | H21BK |
| Model | H21BK |
| Product Group | Speakers |
| Color | Black |
| Features | Digital Signal Processing (DSP) |
| Power Source | AC Adapter |
| Product Type | Speaker System |
| Compatibility | Music Player, Bluetooth Device, Digital Media Player |
| Package Quantity | 1 |
| ASIN | B0097OUANC, B00BOP8520, B078T2Z7MZ |
| AdultProduct | False |
| Amount | 146.62 |
| Asin | B0097OUANC, B078T2Z7MZ |
| Autographed | False |
| Batteries_included | False |
| Batteries_required | False |
| Binding | Electronics |
| Brand | Microlab |
| Bullet_point | Amplifier: 36 Watt Output Power, 2x 18 Watt RMS Distribution, 50 Hz - 20 kHz Frequency Range, Bluetooth Speaker with CSR latest Bluetooth chipset solution, Interfaces: 2RCA (input), Terminal binding p |
| Case | 2 |
| Cat | Electronics |
| CatId | 172282 |
| CatTree | 172282, 172623, 172630, 290438, 493964, 689637011 |
| CatalogNumberList | H21BK |
| ChildAsins | B078T3J7HC, B078T3SGQT |
| ClassificationId | 290438, 3236451011 |
| Compliance_type | on_product_combined_cancer_reproductive |
| Connectivity_protocol | Bluetooth |
| Connectivity_technology | Bluetooth |
| Currency | USD |
| CurrencyCode | USD |
| Diameter | 3.5 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G6334685 | 136.99 | 1 | None | 1 |
| unbeatablesale.com | MBSP-H21BK | 151.76 | 1 | None | 1 |
| Beach Audio | 18047026 | 127.21 | 1 | 55 | 1 |
| firefold.com | H21BK | 184.69 | 1 | None | 1 |
| ipcstore.com | 4_H21BK_1 | 136.0 | 1 | None | 1 |

---
Structured data: `/python/html6/product/500/99000000/99034000/part_--H21BK---Microlab--a89118e06e.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp