Rockville SINGMIX 45: 1000W Professional Powered Mixing Amplifier

Included Accessories

• SINGMIX receiver
• Removable rack ears
• Remote control
• Manual
• Warranty card

Important Safety Instructions

• To reduce the risk of shock, never open the unit. There are no user-serviceable parts. Return the unit to Rockville or an authorized service center for service.
• Do not expose this unit to moisture.
• Do not place this unit near heat sources or expose it to direct sunlight.
• Do not place anything on top of the unit, as this will block vents and cause overheating.
• Ensure the unit is situated in a properly ventilated area.

Inputs and Outputs

• Front: Two 1/4" line inputs
• Front: 3.5mm AUX input
• Front: USB/SD Inputs, built-in Bluetooth
• Rear: Two XLR mic inputs
• Rear: Two pairs of RCA line inputs
• Rear: Two pairs of RCA outputs (line and record - can connect a powered sub or another amp and recording device)
• Four pairs of Speaker outputs (banana and bare wire)

Front Panel Functions

The front panel features:

• CH1/CH3 VOL, BAL, ECHO, LOW, MID, HIGH: Controls for Channel 1 and 3.
• CH2/CH4 VOL, BAL, ECHO, LOW, MID, HIGH: Controls for Channel 2 and 4.
• MASTER VOL: Controls the overall output volume.
• ECHO VOL, LOW, HIGH: Controls for the master echo effect.
• REPEAT, DELAY: Echo effect parameters.
• USB/SD/BT Controls: Play/Pause, Previous/Next, Record, and input source selection.
• MP3 Input Controls: Volume, Balance, and 3-band EQ for MP3 playback.
• Left/Right Channel EQs: Dual 7-band graphic equalizers for fine-tuning sound.
• MIC VOLUME: Controls the overall microphone input volume.
• POWER: Power switch.
• INPUT: Selects the input source (AUX, USB/SD/BT, MIC/LINE).
• LCD Display: Shows current status and information.

Rear Panel Functions

• AC INPUT 110V/50Hz: Power connection.
• BT ANTENNA: For Bluetooth connectivity.
• MIC INPUT: CH3 and CH4 XLR mic inputs.
• OUTPUT: RCA line output.
• LINE INPUT: A and B RCA line inputs.
• LINE REC: RCA record output.
• Speaker Outputs: Binding post/banana speaker outputs (4 pairs).
• Cooling Fan: Ensures proper ventilation.

Bluetooth Pairing and Playback

Pairing

1. Turn on the Bluetooth feature on your device and ensure it is discoverable.
2. Press the MODE button on the SINGMIX 45 until the display reads "BLUE". The word will flash while in pairing mode.
3. On your device, find "SINGMIX 45" and select it.
4. A tone will confirm successful pairing, and "BLUE" will stop flashing. The unit remembers the last paired device.

Playback

• Use the Play/Pause and Previous/Next controls on the unit or your Bluetooth device to control playback.

USB/SD Playback

1. Insert a USB drive or SD card into the front panel port.
2. The unit will automatically play music from the connected device.
3. Supported file formats include MP3, WMA, FLAC, and APE.
4. Use the Play/Pause and Previous/Next controls for playback management.

Setup and Speaker Configuration

Choosing Compatible Speakers

Full-range speakers are recommended. The type and quantity depend on room size and karaoke requirements. Rockville recommends its KPS or SPGN series speakers, available at RockvilleAudio.com.

Matching Impedance

The SINGMIX 45 requires a minimum speaker impedance of 4 ohms. The total impedance of your speakers must not be less than 4 ohms.

Speaker Configurations

The SINGMIX 45 has two speaker zones: Zone A (CHANNEL A) and Zone B (CHANNEL B). The RIGHT outputs of both zones are wired in parallel, and the LEFT outputs are wired in parallel.

• Configuration 1: Two 4-ohm or two 8-ohm speakers connected to Zone A or Zone B.
• Configuration 2: Two 8-ohm speakers connected to Zone A and two 8-ohm speakers connected to Zone B.

Caution: If connecting 1 speaker per channel, minimum impedance must be no less than 4Ω. If connecting 2 speakers per channel, minimum impedance must be no less than 8Ω.

Features

• Rockville SINGMIX 45 1000W Professional-Powered Mixing Amplifier
• 500 x 2 Peak @ 4 Ohm/150 x 2 RMS @ 4 Ohm/100 x 2 RMS @ 8 Ohm
• Speaker outputs support (4) 8-ohm speakers or (2) 8-ohm speakers or (2) 4-ohm speakers (banana or bare wire terminals)
• Built-in Bluetooth with 35ft range
• USB input for thumb drives or hard drives (32GB max)
• SD card playback (32GB max)
• Mic/line input mixer with volume, balance, echo, and 3-band EQ
• Music input mixer with volume, balance, and 3-band EQ
• Full echo effect controls: volume, 2-band echo EQ, repeat, and delay parameters
• Selectable mono/stereo echo effect
• Dual 7-band master EQ (left/right)
• Master volume and mic volume controls
• Removable 3.7" rack mount brackets
• Full function remote control for USB/SD and Bluetooth playback
• Built-in pre-amplifier
• Built-in quiet cooling fan
• Digital VFD display
• Suitable for karaoke, DJ, KJ, home, and commercial applications
• Rugged metal housing
• Precision tuning with high-quality potentiometers and knobs
• 110V/50Hz operation
• Unit weight: 14lbs (6.35kg)
• Unit dimensions: 1" x 13" x 5"
• 4 Mic/line inputs (2) 1/4" Front and (2) XLR Rear
• 2 pairs RCA inputs (rear)
• 2 pairs RCA outputs (1 master line out and 1 rec out)
• Front 3.5mm AUX input

Specifications

• THD: less than 0.5%
• Input sensitivity: 200mv/47K ohm
• Frequency response: (20Hz – 20kHz): ±2dB
• Signal to noise ratio: >78db
• Tone characteristic (80Hz – 15kHz) ±12dB

Troubleshooting

Federal Communications Commission Compliance Information

Responsible party name: Rockville

Address: 600 Bayview Ave, Entrance A, Inwood, NY 11096

This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.