[THEOS] DIFB Specifications
Full technical specifications and Bluetooth headphone compatibility list for the THEOS DIFB diversity IFB.
Full technical specifications for the THEOS DIFB (Diversity IFB), the wireless monitoring bodypack in the THEOS system. All data are measured by Aputure Audio Lab and are subject to the physical data. For hardware, controls, and the on-device menu, see [THEOS] DIFB (Diversity IFB) - Setup & Use.
Specifications and Parameters
| RF Modulation | Proprietary Digital RF Modulation |
| RF Freq Ranges | The legitimate frequency bands are allocated according to the local conditions of each region. |
| RF Frequency Step | 100 kHz |
| RF Bandwidth | 200 kHz |
| Minimum Frequency Interval | 700 kHz |
| Antenna Connector | 2 x 50Ω SMA |
| Dynamic Range | 105 dBm |
| Distortion | < 0.5% |
| DAC Bit-Depth | 24 bit |
| Suggested Impedance for Headphones | < 64 Ohms |
Power
| Battery Type | AA battery x2 |
| Battery Life (DEITY AA, Bluetooth off) | 17 h |
Physical
| Dimensions (H x W x D) | 82.5 x 64.21 x 19.90 mm |
| Weight | Without battery and antenna: 105.5 g Without battery, with antenna: 116.5 g With battery and antenna: 148.5 g |
| Operating Temperature | -20°C to 45°C (-4°F to 113°F) |
Bluetooth Headphone Compatibility
The DIFB can monitor over Bluetooth headphones (see BT > BT HEADPHONE in the setup guide). The following models have been tested by Aputure Audio Lab. Data are subject to change.
| Brand | Model |
|---|---|
| APPLE | AirPods 4 |
| APPLE | AirPods 3 |
| APPLE | AirPods Pro |
| HUAWEI | Freelace active edition |
| HUAWEI | FreeBuds Pro3 |
| HUAWEI | FreeBuds SE3 |
| HUAWEI | FreeBuds 5 |
| HUAWEI | FreeBuds SE2 |
| HUAWEI | FreeClip |
| REDMI | Redmi Buds 4 |
| REDMI | Redmi Buds 6 LITE |
| REDMI | Redmi Buds 5 Pro |
| MIIIW | MIIIW-10 |
| OPPO | Enco Air4 Pro |
| SENNHEISER | ACCENTUM Open |
| SENNHEISER | MOMENTUM TW2 |
| SAMSUNG | Galaxy Buds FE |
| BASEUS | Baseus Bowie M3s |
| BASEUS | Beats Solo Buds |
| BASEUS | Baseus Bowie E3 |
| JBL | JBL TUNE BUDS 2 |
| JBL | JBL T280TWS X3 |
| VIVO | vivo TWS 3e |
| VIVO | vivo TWS 3 Pro |
| EDIFIER | EDIFIER X5 Pro |
| EDIFIER | EDIFIER XS3 |
| EDIFIER | TO-U3 |
| PHILIPS | Philips TAT1199 |
| UGREEN | UGREEN HiTune 5 |
| Linklike | OW AIR |
| Linklike | HALO |
| WEKOME | Beluga S7 |
| SOAIY | TR6 |
| iKF | Air |
| BEATS | Flex |