TOA / CA-207SD Car Amplifier

This is a car amplifier for use with a 12V battery with a rated output of 20W. It is suitable for mobile sales and public relations activities using the included microphone, audio file playback from an SD/SDHC card, or external audio sources such as a portable player. It also has an audio recording function, allowing you to record audio during broadcasts onto an SD/SDHC card (1DIN size).

Specifications
■ Power Supply: 12 V battery (standard voltage: DC 13.2 V, operating range: DC 10–16 V)
■ Current Consumption: 3.5 A or less (at rated output)
■ Rated Output: 20 W
■ Distortion: 5% or less
■ Frequency Response: 200 Hz–10 kHz (within ±3 dB)
■ Compatible Load Impedance: 4 Ω/8 Ω (interchangeable with bullet connectors)
■ Input
・Microphone: -48 dB*, 600 Ω, φ6.3 standard jack
・External Input: -22 dB*, 10 kΩ, φ3.5 mini jack
■ Signal-to-Noise Ratio: 60 dB or greater
■ Tone Control: -10 dB (10 kHz, 1 kHz standard)
■Mute Function
- Microphone audio, main unit mute switch
- Mute SD card playback audio and external input audio by detecting vehicle ground via wiring
- Variable mute level: Maximum 30 dB or more, microphone mute release time: Approximately 3 seconds
■SD Section
- Compatible Cards: SD card/SDHC card (maximum 32 GB)
- File System: FAT16, FAT32
- Number of Files Saved: Maximum 99 (Root directory only)
- Supported Audio File Formats
- MP3 (MPEG1 Audio Layer 3)
- Sampling Frequency: 32-48 kHz, Bit Rate: 32-320 kbps
- WMA (Windows Media Audio)
- Sampling Frequency: 32-48 kHz, Bit Rate: 32-192 kbps
Recording file format: MP3 (MPEG1 Audio Layer 3)
Sampling frequency: 44.1 kHz, Bit rate: 128 kbps
Recording time: Approximately 32 hours (using a 2 GB SD card)
■Operating temperature range: -20°C to +60°C
■Operating humidity range: 90% RH or less (no condensation)
■Finish: Panel: ABS resin, black (approximate Munsell N1.0 color), Case: Surface-treated steel plate
■Dimensions: 178 (W) x 50 (H) x 158.2 (D) mm (excluding cord and mounting bracket)
■Weight: 1.2 kg (main unit only)
■Accessories: Dynamic microphone (with talk switch)...1, microphone holder...1, microphone holder reinforcement bracket...1, microphone holder mounting screws (4 x 16 bind tapping screws)...2, main unit mounting bracket...1, main unit hanging bracket...1, main unit mounting screws...1 set, power cord (1.5 m)...1, speaker cord (30 cm)...1, spare fuses (7 A)...2