Model
ClearOne/Gentner XAP 400

Audio Performance
Conditions: Unless otherwise specified, all
measurements are performed with a 20 Hz to
20 kHz BW limit (no weighting)
Frequency Response: 20 Hz to 20 kHz ±1dB
Noise (EIN): -126 dBu, 20 kHz BW, max gain,
Rs=150
THD+N: <0.02%
SNR: 80 dB re 0 dBu (A-weighted)
Dynamic Range: 100 dB (A-weighted)
Crosstalk <-91 dB re 20 dBu @ 20 kHz channel
to channel

Auto Mixer Parameters
Number of Open Microphones (NOM)
PA Adaptive Mode
First Mic Priority Mode
Last Mic Mode
Maximum # of Mics Mode
Ambient Level
Gate Threshold Adjust
Off Attenuation Adjust
Hold Time
Decay Rate

Matrix Mixing Parameters
25x26 matrix
8 analog in/out
1 speaker out (10 W)
12 expansion bus in/out
4 assignable processing blocks in/out
1 telco in/out

Assignable Processing Blocks
Filters:
All pass
Low pass
High pass
Low shelving
High shelving
Parametric EQ
Notch
CD Horn
Crossovers:
Bessel
Butterworth
Linkwitz-Riley
Compressor; adjustable
Delay; adjustable up to 250 ms

Microphone Input Configuration
Input Gain Adjust
Mic or Line Level
Phantom Power on/off
Echo Cancellation on/off
Noise Cancellation on/off
Filters
All Pass
Low Pass
High Pass
Notch
PEQ
Mute on/off
Chairman Override on/off
AGC on/off
Speech Leveler on/off
Auto Gate/Manual gate
Adaptive Ambient on/off

Mic/Line Inputs 1-4
Push-on terminal block, balanced, bridging
Impedance: 5 k
Nominal Level: adjustable -55 dBu,
-25 dBu, 0 dBu
Maximum Level: -35 dBu, -5 dBu, +20 dBu
Echo Cancellation: 130 ms tail time (works with
12 dB of room gain)
Noise Cancellation: 6–15 dB attenuation
Phantom Power: 24 V, selectable

Line Inputs 5-8
Push-on terminal block, balanced, bridging
Impedance: >10 k
Nominal Level: 0 dBu
Maximum Level: 20 dBu

Outputs 1-8
Push-on terminal block, balanced
Impedance: 50
Nominal Level: 0 dBu
Maximum Level: 20 dBu

Telco Line
RJ-11
POTS (plain old telephone service) or
analog extension from a PBX
A-lead supervision provided

Telco Set
RJ-11
Connect analog telephone set
A-lead supervision provided

Telephone Audio Performance
Conditions: Unless otherwise specified,
all measurements are performed with
AGC disabled, referenced @ -15 dBm
on/off the telephone line
Frequency Response:
250 Hz to 3.3 kHz ±1 dB
THD+N: <0.2%, 250 Hz to 3.3 kHz
SNR: >62 dB re max level
Pre-emphasis: 4 dB @ 2 kHz

Telephone Echo Cancellation
Tail Time: 31 ms
Null: >55 dB

Telephone Noise Cancellation
Noise Cancellation: 6–15 dB attenuation

Expansion Bus In/Out
Proprietary Network
RJ-45 (2), 115.2 kbps, 110 k impedance
Category five twisted-pair cable 80' (24 meters)
maximum cable length between any two XAP
800s, XAP 400s, or PSR1212s

RS-232
DB-9 female
9,600/19,200/38,400(default)/57,600 baud rate;
8 bits, 1 stop, no parity
Hardware flow control on (default)/off

Control/Status
DB-25 female A/B (2)
Inputs A/B: active low (pull to ground)
Outputs A/B: open collector, 40 VDC max,
40 mA each
+5 VDC pins (2) (300 mA over-current
protected)

Remote Panels A/B
4-pin push–on terminal block
RS-485 Proprietary Protocol
Category five twisted–pair cable 1 pair data,
1 pair power and ground
+15VDC (300 mA over-current protected)

Set-up Software
G-Ware

Power Input Range
Auto-adjusting
100–240 VAC; 50/60 Hz

Power Consumption
30 W typical

Dimensions (L x D x H)
17.25" x 10.25" x 1.75"
43.8 x 26 x 4.5 cm

Weight
9.9 lb/4.5 kg dry
13 lb/5.9 kg shipping

Operating Temperature
32 to 100° F/0 to 38° C

Humidity
15% to 80%, non-condensing

Approvals
FCC, CSA, IC, CE, NOM, ACA,
SABS, JATE

Optional Accessories
XAP 800
XAP Net
XAP TH2
IR Remote Control
Volume Control Panel
Select Control Panel
Button Microphone – Omni-Directional
Button Microphone – Uni-Directional
Delta Microphone
Tabletop Microphone – Uni-Directional
JBL Wall-Mount Speakers
Digital-to-Analog Telephone Converters

Part Number
910-151-201 XAP 400 – 4-channel AEC
Microphone Mixer with built-in
telephone hybrid and amplifier