1. Entwodiksyon
Thank you for choosing the Kaschun CT120S Professional Audio Mixer. This 12-channel mixer is designed for a wide range of audio applications, including DJing, studio recording, live streaming, and stage performances. It features 48V phantom power, USB recording, Bluetooth connectivity, and a built-in MP3 player, offering versatile control over your audio. This manual provides essential information for the proper setup, operation, and maintenance of your mixer to ensure optimal performance and longevity.
2. Enfòmasyon sou Sekirite
- Pwovizyon pou pouvwa: Ensure the mixer is connected to a 110V AC power source with an American plug. Do not use incompatible power adapters.
- Vantilasyon: Place the mixer in a well-ventilated area. Do not block ventilation openings.
- Imidite: Keep the mixer away from water, moisture, and high humidity. Do not operate with wet hands.
- Chalè: Evite mete mixer la tou pre sous chalè tankou radyatè, rejis chalè, recho, oswa lòt aparèy ki pwodui chalè.
- Netwayaj: Disconnect power before cleaning. Use a dry, soft cloth. Do not use liquid cleaners or aerosol sprays.
- Sèvis: Pa eseye fè sèvis pwodui sa a tèt ou. Refere tout sèvis yo bay pèsonèl sèvis kalifye.
- Phantom pouvwa: When using 48V phantom power for condenser microphones, ensure the microphone is connected before activating phantom power to prevent damage.
3. Pwodwi souview
The Kaschun CT120S is a professional 12-channel audio mixer designed for clarity and control. Its ultra-thin metal body ensures durability and portability. Key features include:
- 12 Chanèl Antre: Multiple microphone (XLR) and line inputs for diverse audio sources.
- 3-Band Equalization: Dedicated knobs for high, mid, and low frequencies on each channel for precise tone shaping.
- Pouvwa Fantom 48V: Essential for condenser microphones, available on XLR inputs.
- Koneksyon Bluetooth 5.0: Difizyon odyo san fil san pwoblèm soti nan aparèy konpatib.
- USB Recording & MP3 Player: Direct recording to USB and playback of MP3 files with an LED display.
- Processeur Efè: Built-in effects for enhancing vocals and instruments.

Figi 3.1: Devan view of the Kaschun CT120S Professional Audio Mixer, showcasing its 12 channels and control layout.

Figure 3.2: Detailed labeled diagram of the CT120S mixer, indicating the function of each control and input/output port.
4. Enstalasyon
Follow these steps to set up your Kaschun CT120S mixer:
- Debake: Carefully remove the mixer from its packaging. Inspect for any signs of damage.
- Plasman: Mete mixer a sou yon sifas ki plat e ki estab, epi asire bon vantilasyon toutotou aparèy la.
- Koneksyon pouvwa: Connect the provided power cord to the mixer's power input and then to a standard 110V AC wall outlet. Do not power on yet.
- Koneksyon Antre:
- Mikwofòn: Connect XLR microphones to the MIC inputs (CH1-CH12). If using condenser microphones, ensure 48V phantom power is off before connecting, then activate it once connected.
- Aparèy Nivo Liy: Connect instruments, keyboards, or other line-level devices to the LINE inputs using 1/4-inch TRS or TS cables.
- Koneksyon Sòti: Connect the MAIN OUT (XLR or 1/4-inch) to your amplifier, powered speakers, or recording interface. Connect headphones to the PHONES output for monitoring.
- Premye pouvwa sou: Once all connections are secure, turn on the mixer's main power switch.
5. Operasyon Enstriksyon
This section details the primary functions and controls of your CT120S mixer.
5.1 Kontwòl Chanèl
- Kontwòl GAIN: Adjusts the input sensitivity for each channel. Set this to achieve a strong signal without clipping (indicated by the PEAK indicator).
- Egalizè 3-Band (WO, MID, BA): Fine-tune the tonal characteristics of each channel. High controls frequencies above 10kHz, Mid around 2.5kHz, and Low below 100Hz. Adjust these to shape your sound.
- Kontwòl AUX: Sends a portion of the channel signal to the auxiliary output, typically used for monitor mixes or external effects.
- Kontwòl FX: Sends a portion of the channel signal to the internal effects processor.
- Kontwòl PAN: Adjusts the stereo position of the channel signal (left to right).
- VOLUME Adjustment (Fader): Controls the output level of each individual channel to the main mix.
- CLIP/PEAK Indicator: Lights up when the input signal is too high, indicating potential distortion. Reduce the GAIN if this light illuminates frequently.
5.2 Koneksyon Bluetooth
The CT120S features built-in Bluetooth 5.0 for wireless audio playback.

Figure 5.1: Illustration of Bluetooth wireless connection to the CT120S mixer from a mobile device.
- Activate Bluetooth on your mobile device (smartphone, tablet, etc.).
- On the mixer's MP3 player section, select the Bluetooth mode. The LED display will show 'BT' or a similar indicator.
- On your device, search for available Bluetooth devices and select 'CT120S' (or similar name).
- Once paired, you can play audio from your device through the mixer. Adjust the MP3/USB channel volume on the mixer.
5.3 USB Recording and MP3 Playback
The mixer supports direct USB recording and MP3 playback.
- Lekti MP3: Mete yon kondwi flash USB ki gen MP3 files into the USB port. The mixer will automatically detect and begin playing. Use the controls on the MP3 player section to navigate tracks and adjust volume. The LED display shows song names.
- Anrejistreman USB: To record your mix, ensure a USB flash drive is inserted. Press the 'REC' button on the MP3 player section. The mixer will record the main stereo output directly to the USB drive. Press 'REC' again to stop recording.
5.4 48V Phantom Power
The mixer provides 48V phantom power for condenser microphones.

Figure 5.2: Close-up of the 48V phantom power switch and graphical representation of the 3-stage adjustable balance (EQ curves).
- Locate the '+48V' switch on the mixer.
- Before activating, ensure all condenser microphones are properly connected to their respective XLR inputs.
- Flip the '+48V' switch to the ON position. An indicator light will confirm activation.
- Always turn off phantom power before disconnecting condenser microphones or connecting dynamic microphones.
6. Antretyen
Bon antretyen asire lonjevite ak pèfòmans optimal mixer ou a.
- Netwayaj: Regularly wipe the mixer's surface with a soft, dry, lint-free cloth. For stubborn dirt, slightly dampRense twal la avèk dlo. Evite pwodui netwayaj abrazif oswa solvan.
- Pwoteksyon pousyè: When not in use, cover the mixer with a dust cover to prevent dust accumulation, especially in faders and knobs.
- Depo: Sere mixer a nan yon kote ki fre epi sèk, lwen limyè solèy dirèk ak tanperati ekstrèm.
- Jesyon kab: Asire w ke câbles yo byen òganize epi yo pa anba gwo presyon pou evite domaje konektè ak pò yo.
NAN. Depanaj
Seksyon sa a adrese pwoblèm komen ou ka rankontre.
| Pwoblèm | Kòz posib | Solisyon |
|---|---|---|
| Pa gen pwodiksyon son | Main volume fader is down; input gain too low; output cables disconnected or faulty; speakers/amplifier off or muted. | Increase MAIN fader; adjust channel GAIN; check all cable connections; ensure speakers/amplifier are powered on and unmuted. |
| Son defòme | Input signal too high (CLIP indicator on); output level too high; faulty cable. | Reduce channel GAIN; lower MAIN output level; try a different cable. |
| Pwoblèm koneksyon Bluetooth | Device not in pairing mode; mixer not in Bluetooth mode; interference. | Ensure both devices are in pairing mode; select Bluetooth mode on mixer; move closer to mixer; restart both devices. |
| Microphone not working (condenser mic) | 48V phantom power not activated; faulty microphone or cable. | Activate +48V phantom power; test with a different microphone or cable. |
| Anrejistreman USB a pa fonksyone | USB drive not inserted or formatted incorrectly; drive full. | Ensure USB drive is properly inserted; check drive format (FAT32 recommended); delete old files or use a new drive. |
8. Espesifikasyon
| Karakteristik | Spesifikasyon |
|---|---|
| Nimewo Modèl | CT120S |
| Kantite Chanèl | 12 |
| Pwa atik | 5.99 liv |
| Dimansyon pake | 22 x 17.27 x 4.5 pous |
| Sous pouvwa | Fil elektrik |
| Voltage | 110 Vòlt (AC) |
| Koneksyon Teknoloji | USB, Bluetooth |
| Sòti Connector Kalite | XLR |
| Phantom pouvwa | 48V |
9. Garanti ak sipò
For any issues encountered before purchase or during product usage, please do not hesitate to contact Kaschun customer service for assistance. We are committed to providing a response within 24 hours. Please refer to your purchase documentation for specific warranty terms and conditions.
For further support, visit the official Kaschun store or contact your retailer.