Number of Channels

32 in 8 out

AD Conversion

Sample Rate: 96.0 kHz
Signal Processing: 24 bit

DA Conversion

Sample Rate: 96.0 kHz
Signal Processing: 24 bit

Frequency Response

-2 dB / +0 dB (@ +4 dBu, 20 Hz to 20 kHz)

Total Harmonic Distortion + Noise

0.05 % or less (Pad: On, Input Gain: +4 dBu, 22 to 20000 Hz)

Dynamic Range

110 dB

Cross Talk

-80 dB

Nominal Input Level

-65 to -10 dBu (PAD: Off) -45 to +10 dBu (PAD: On) (1 dB step, Max. +28 dBu)

PAD

20 dB On/Off

Input Impedance

20 k ohms

Nominal Output Level

+4 dBu, Max. +22 dBu

Output Impedance

150 ohms

Recommended Load Impedance

10 k ohms or greater

Residual Noise Level (IHF-A, typ.)

-90 dBu

Equivalent Input Noise Level (E.I.N.)

-128 dB

Connectors

Input: 32 (XLR type, balanced, phantom power, 4 ch input module x 8)
Output: 8 (XLR type, balanced, 4 ch output module x 2)
REAC: MAIN, BACKUP (RJ-45 EtherCon type)
Remote Connector: 1 (RS-232C, DB-9 type)
MIDI Connectors: IN, OUT (5-pin DIN type)

Indicator

EXT Indicator (External Power Supply Unit)
INT Indicator
REAC Indicator
CTRL Indicator
ALARM Indicator
MUTE ALL OUTPUTS Indicator

AC Power Supply

AC 115 V, AC 117 V, AC 220 V, AC 230 V, AC 240 V (50/60 Hz)

DC Power Supply

+24 V (from optional external power supply unit : S-240P)

Power Consumption

130 W

Current Draw (for an optional external power supply unit; Model S-240P)

6 A

Phantom Power

+48 V / 14 mA (each input on SI-AD4, remote controlled)

Operation Temperature

0 to +40 degrees Celsius +32 to +104 degrees Fahrenheit

Accessories

Power Cord, Adhesive-backed number label sheets, REAC Connector Covers, Ferrite Cores, Owner's Manual

PAYMENTS ACCEPTED:

Major Credit Cards: Visa, MasterCard, Discover and American Express.
Paypal: You can select an option of Paying with Paypal in our shopping cart.
Money orders: and personal checks or company checks (may take up to 10 days to clear).
Wire Transfer: ( Bank Transfer ) Only for the amount over $500. Contact us for the bank details.
Phone Orders: To place a phone order please call 1.888.902.3309 or 1.916.246.6264 and one of our Customer Service Representatives will take your order (8:00am - 6.00pm PST).

Purchase order: Fax purchase orders to 1.916.672.2557

We Offer A 30-Day Money Back Guarantee: 
Our main goal is to ensure your complete satisfaction with our service and products. If, for any reason, you are not 100% satisfied with your purchase, you can return it within 30 days of the purchase date for a full refund. Our 30-day money back guarantee applies to all of the products we sell, except for: TVs and monitors 20" and larger, Special Order merchandise, or any item indicated as non-returnable. Shipping is not refundable. Prior to returning your purchase, a Return Merchandise Authorization (RMA) number will be provided to you.

Refunds:
Refunds on returned items will be issued in the same payment form as received from the customer at the time of purchase. Once we receive the product and it passes inspection, we will credit your account. Please allow 3 - 6 business days for a credit to appear on your account.

Exchanges:
If the item was sent back to us for an exchange, please allow 3 - 5 business days for the replacement to be processed.

No Returns/Exchanges on the following:

TVs and monitors 20" and larger
Special Order merchandise
Any item indicated on the website as non-returnable

For more information see our official Return Policy