《Condition》
**Used**
An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections.
【Bluetooth 5.4 Compatible】: The AIYIMA DAC-A7 supports Bluetooth 5.4 and, with its built-in Qualcomm QCC3084 audio chip, supports high-resolution audio transmission up to 96kHz/24bit. It fully supports LDAC, aptX-HD, aptX, AAC, and SBC, realizing a high-fidelity wireless listening experience.
【3.5mm + 6.35mm Dual Headphone Jack】: Dual headphone interface design, fully compatible with 16-600Ω, allowing simultaneous use of two headphones. Compact and exquisite body, convenient output switching, one-touch switching between headphones and active speakers, an ideal partner for desktop audio systems.
【Chipset】: The ES9038Q2M decoding chip + OPA1612 x 4 ultra-low noise operational amplifier chip + QCC3084 high-spec Bluetooth chip serve as the core driving unit for pure audio, precisely unlocking the exceptional potential of any headphones.
[Volume Memory Mode] Automatically remembers the last used input mode and volume. No readjustment is required after powering on. When not in Bluetooth mode, you can switch between two volume modes by pressing and holding for 2 seconds: • Unified Volume (Overall Adjustment) • Independent Volume (Mode-Specific Memory)
[Package Contents] AIYIMA DAC-A7 Bluetooth Audio Decoder & Amplifier *1, Fiber Optic Cable *1, USB-A/C to USB-C Cable *1, Instruction Manual *1, Warranty Card *1, Bluetooth Antenna *1, 24-Month Warranty and Prompt Support Service.
Product Model: AIYIMA DAC-A7
Chipset: ES9038Q2M + OPA1612*4 + QCC3084
Maximum sampling rate: USB PCM 24bit 192kHz
OPT PCM 24bit 192kHz
COAX PCM 24bit 192kHz
Bluetooth PCM 24bit 96kHz
Supported impedance: 16-600Ω
Inputs: Coaxial, Optical, USB, Bluetooth
Output: 3.5mm headphone jack, 6.35mm headphone jack, RCA
Bluetooth version: 5.4
Bluetooth audio transmission formats: LDAC, aptX-HD, aptX, AAC, SBC. Bluetooth connection range: >10m
S/N ratio: ≥120dB
Distortion (THD+N): <0.0003%
Dynamic range: ≥120dB
Frequency response: 20-20kHz (±0.3dB)
Line output level: 2.0Vrms
Headphone amplifier maximum output: 1500mW@32Ω
Base noise: 1.6μVrms
Power supply: DC 5V
Product size: 130*100*30mm
Product weight: 400g