Updated 11 May 2026
| Brand | Radial |
| Category | Pro Audio |
| Available at | 1 UK stores |
| 90-day avg | £284.00 |
Radial
Radial J+4 Active Stereo DI Box (-10dB Unbalanced/+4dB Balanced)
£283.00£334.00↓ 15% offFair Price
Cheapest at Bax · 1 store
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PRICE HISTORY
Current
£275
Change
+22.1%
Avg
£253
Low
£225
High
£276
Volatility
4.3%
PRODUCT DESCRIPTION
- Balance and boost incoming stereo signals by up to +4dB with the capable help of the Radial J+4 DI box. This pro-grade audio tool is perfect for linking gear like laptops or smartphones up to professional studio or stage audio equipment. The J+4 comes equipped with various inputs, including 6.3mm jack ports for DJ mixers or keyboards
- RCA ports for CD players
- and a 3.5mm mini-jack port for smartphones and tablets. Optimal signal transfer wiped clean of noise and hum is guaranteed, and the whole come wrapped up in a solid and easy-to-control unit housed in a metal box complete with anti-slip base.