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| FiiO BTR13 Bluetooth Headphone Amplifier & DAC Specifications | |||
| Name/Model | BTR13 | ||
| Hardware Solution | DAC: CS43131 x2, USB/Bluetooth decoding: QCC5125 | ||
| Color | Black/Blue | ||
| Weight | About 28.6g | ||
| Dimensions | About 63.2x30x18.8mm | ||
| Driver-free Mode (Switch Mode) | Supported | ||
| Phone Decoding (USB Dongle) | Supported (switch the Mode Switch to PHONE) | ||
| Microphone | Supports Bluetooth voice call, built-in omnidirectional microphone | ||
| In-Vehicle Mode | Auto on/off following the USB of the vehicle | ||
| Gain | L/H | ||
| Channel Balance | <0.2dB | ||
| Deep Standby | Auto-enters power saving mode if no connection in 3 minutes, can be set in app | ||
| FiiO Control | Supports settings in the app | ||
| Bluetooth Codec Indication | Blue: SBC; Cyan: AAC; Purple: aptX/aptX LL; Yellow: aptX HD; White: LDAC; Green: aptX Adaptive | ||
| Status Indication | Indicates transmission codec, charging status, battery level, volume, sampling rate, EQ, and menu | ||
| Display | 0.96-inch TFT (80*160) bezel-less display | ||
| Bluetooth Reception (5.1) | AAC/SBC/aptX/aptX LL/aptX Adaptive/aptX HD/LDAC | ||
| Recommended Impedance | PO: 8~150Ω; BAL: 8~350Ω | ||
| Firmware Upgrade | OTA upgrade through FiiO Control | ||
| Max Supported Sampling Rate | PCM: up to 96kHz/16bit | ||
| Buttons and Ports | |||
| Physical Buttons | Power button, multifunction button, volume up/down buttons | ||
| USB Port | Type-C USB (Charging/Data transmission) | ||
| Headphone Output | Standard 3.5mm plug | ||
| Balanced Headphone Output | Standard 4.4mm plug | ||
| Trigger Switch | Mode switch | ||
| Power Supply Parameters | |||
| Power Supply | DC 5V /1A | ||
| Battery Capacity | 460mAh lithium polymer battery | ||
| Charging Time | ≤2 hours | ||
| Battery Life & Test Conditions | |||
| 3.5mm headphone out: ≥8 hours | |||
| Audio input | Bluetooth reception | ||
| Bluetooth codec | AAC | ||
| Volume | 22 levels | ||
| Gain | High | ||
| Display status | Off | ||
| Play track and format | MP3 44.1kHz/16bit | ||
| EQ | Off | ||
| Load | 32Ω | ||
| 4.4mm headphone out: ≥8 hours | |||
| Audio input | Bluetooth reception | ||
| Bluetooth codec | AAC | ||
| Volume | 21 levels | ||
| Gain | High | ||
| Display status | Off | ||
| Play track and format | MP3 44.1kHz/16bit | ||
| EQ | Off | ||
| Load | 32Ω | ||
| 3.5mm headphone out: ≥10 hours | |||
| Audio input | USB dongle mode (switch the Mode Switch to PHONE) | ||
| Volume | 22 levels | ||
| Gain | High | ||
| Display status | Off | ||
| Play track and format | 44.1kHz/16bit | ||
| EQ | Off | ||
| Load | 32Ω | ||
| 4.4mm headphone out: ≥10 hours | |||
| Audio input | USB dongle mode (switch the Mode Switch to PHONE) | ||
| Volume | 21 levels | ||
| Gain | High | ||
| Display status | Off | ||
| Play track and format | 44.1kHz/16bit | ||
| EQ | Off | ||
| Load | 32Ω | ||
| Audio Parameters | |||
| Parts of performance and parameters of headphone output (3.5mm, UAC decoding) | |||
| Output power | |||
| L+R≥120mW+120mW (16Ω, THD+N<1%) | Output Impedance | <0.6Ω | |
| L+R≥100mW+100mW (32Ω, THD+N<1%) | Crosstalk | ≥75dB | |
| L+R≥10mW +10mW (300Ω, THD+N<1%) | Output amplitude | 1.75Vrms | |
| THD+N | <0.0018% (1kHz/-4dB@32Ω) | SNR | ≥125dB (A-weighted) |
| Frequency response | |||
| 20Hz~40kHz: damping<3dB | Noise floor | <1uV (A-weighted) | |
| 20Hz~20kHz: damping<0.1dB | |||